How much time does it take light from a flash camera
to reach a subject 6.0 meters across a room?

The mass of the aeroplane is 300,000 kg.

It states that the force F is directly proportional to the acceleration a of the body and its mass.

The law is represented as

F =ma

where acceleration a = velocity change v / time interval t

Given is the aeroplane lands at a speed of 80 m/s. After landing, the aeroplane takes 28 s to decelerate to a speed of 10 m/s. The mean resultant force on the aeroplane as it decelerates is 750 000 N.

The force expression will be

F = mv/t

Substitute the values and we have

750000 = m x  (80 -10)/ 28

750,000 = m x 2.5

m = 300,000 kg

Thus, the mass of the aeroplane is 300,000 kg.

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Capacity factor = actual output / maximum feasible output is the formula. The maximum output for a wind turbine would be equal to the capacity times 8760 hours (there are 8760 hrs in a year).

Consequently, the Northwind 100C's maximum output is 95 kW x 8760 hours per year, or 832,200 kWh per year (or 832.2 MWh). The quantity produced is a function of the total input amounts of each ingredient, and the production function is represented as Q = f(K, L, P, H). Of course, not every firm needs the same number of inputs or production components.

The total product for every input degree is equal to the sum of the marginal products of all previous units of that input. The sum of marginal products is therefore the total product.

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Hi there!

A)

The angle that will produce the same range is the compliment of 35°.

Thus, kicking the ball at 55° will result in the same range.

We can prove this by using the derived range equation:

\(R = \frac{v^2sin2\theta}{g}\)

An angle of 35° yields:

\(R = \frac{v^2sin(2*35)}{g} = .939R\)

An angle of 55° yields:

\(R = \frac{v^2sin(2*55)}{g} = .939R\)

Both are the same, thus indicating that 55° produces the same range.

B)

The angle of 55° will produce the higher ball because the VERTICAL component of the ball's velocity is greater compared to kicking the ball at 35° degree.

sin(55) > sin(35)

C)

The angle of 55° will result in the ball being in the air the longest because when a ball is in the air (assuming no air resistance), the ball experiences an acceleration due to gravity of -9.8 m/s², causing the vertical velocity to decrease until it eventually reaches 0 m/s at the top of its path. A greater initial vertical velocity means that it will take longer for the ball to fall.

We can prove this using:

vf = vi + at

0 = vy - 9.8t

vy/9.8 = t

Greater vy (vertical component of velocity) ⇒ greater time taken.

D)

The angle that would result in the furthest range is 45°.

We can prove this using calculus. Recall the above range equation:

\(R = \frac{v^2sin2\theta}{g}\)

We can take the derivative and use the first-derivative test to find its critical point:

\(\frac{dR}{d\theta} = \frac{v^22cos2\theta}{g} = 0\)

Evaluate:

\(v^22cos2\theta = 0 \\\\cos2\theta = 0 \\\\2\theta = 90^o\\\\\boxed{\theta = 45^o}\)

A. The angle that will produce the same range as a 35° kick is 53°.

B. The angle that produces the highest ball is 45°.

C. The angle that produces the ball that is in the air the longest is 45°.

D. There is no single angle that will produce the furthest range for all initial velocities and accelerations due to gravity.

A. The range of a projectile is the horizontal distance it travels before it hits the ground. The range of a projectile is determined by the initial velocity, the angle of projection, and the acceleration due to gravity.

For a given initial velocity, the range of a projectile is maximized when the angle of projection is 45°. However, if the ground is not level, the range of a projectile can be maximized at other angles.

In the case of a soccer ball kicked at an angle of 35°, the range will be maximized at an angle of 53°. This is because the range of a projectile is maximized when the vertical component of the initial velocity is equal to the horizontal component of the initial velocity.

The angle of 53° is the angle that produces a vertical component of the initial velocity that is equal to the horizontal component of the initial velocity when the ball is kicked at an angle of 35°.

Therefore, the angle that will produce the same range as a 35° kick is 53°.

B. The angle that produces the highest ball is 45°.

C. The angle that produces the ball that is in the air the longest is 45°.

D. The angle that produces the furthest range depends on the initial velocity and the acceleration due to gravity. There is no single angle that will produce the furthest range for all initial velocities and accelerations due to gravity.

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The recti muscles or the oblique muscles are divided into two major categories. The 2 oblique muscles are indeed the inferior oblique or the superior oblique.

Muscle weakness brought on by myasthenia gravis frequently gets better and worse at different times. The eyes and face are frequently the first areas it affects, although it eventually spreads to other body parts. Each person's weakness is different in intensity.

Muscular dystrophy (MG) is indeed a chronic autoimmune illness in which antibodies block the transmission of signals from the nerves to the muscles, weakening the skeletal muscles as a result. The muscles that regulate the eyes, mouth, throat, and limbs are particularly affected by myasthenia gravis.

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We can have a total solar eclipse because the angular size of the Moon is about 1/2 the angular size of the Sun, but it is a lot closer.

A total solar eclipse happens when the Moon passes directly between the Sun and the Earth, blocking the Sun's light and causing a shadow on Earth.

This is the main reason why solar eclipses are not common; if the Moon were any farther away, it wouldn't completely cover the Sun, and if it were any closer, it would cause a total solar eclipse more frequently.

The angular distance between the Earth and the Sun is the same as between the Earth and the Moon, which makes it possible for the Moon to be in the right place to cause an eclipse.

In fact, the Moon orbits the Earth in an elliptical path, so it's not always at the right distance to cause a total solar eclipse.

During summer, the Sun is not closer to the Earth, but the Earth's tilt causes the Sun's rays to hit the Earth at a more direct angle, which makes it warmer.In conclusion, the main reason why we can have a total solar eclipse is that the angular size of the Moon is about 1/2 the angular size of the Sun, but it is a lot closer.

The other factors, such as the distance between the Earth and the Sun and the Earth's tilt, contribute to the occurrence of solar eclipses but are not the main reason why they happen.

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Answer:

You put the add sign, so it would be 49. I don't believe that is what you meant to put though.

Explanation:

i gotchu, 27+22 so you take the 8 and multiply that by the number of times you blink every 2 minutes and then divide that by 0×1 and carry the 3 and that gives you -7

Answer:

periscope, an optical instrument used in land and sea warfare, submarine navigation, and elsewhere to enable an observer to see his surroundings while remaining under cover, behind armor, or submerged.

Explanation:

Consider the force F pulling 3 blocks with different masses along a frictionless horizontal surface. The masses of the 3 blocks are given as:m1 = 5.57 kgm2 = 18.7 kgm3 = 33.4 kgThe acceleration a of the blocks can be found using Newton's second law of motion.

F = maSince the surface is frictionless, the force F will be applied entirely to the acceleration of the blocks.The total mass of the blocks is:m = m1 + m2 + m3 = 5.57 kg + 18.7 kg + 33.4 kg = 57.67 kgApplying Newton's second law of motion:F = ma583 N = (57.67 kg) aHence, the acceleration of the blocks, a = 10.1092 m/s^2. Therefore, the correct answer is option 9. T1 − T2 = m1 a is correct.

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We are given the following information about an inelastic collision.

Mass of 1st object = 4 kg

Mass of 2nd object = 10 kg

Initial velocity of 1st object = 25 m/s

Final velocity of both objects = 14 m/s

Initial velocity of 2nd object = ?

In an inelastic collision, the momentum is conserved but the kinetic energy is not conserved.

Recall that the total momentum is conserved and given by

Let us substitute the given values and solve for initial velocity of the body (u2)

Therefore, the initial velocity of the body of mass 10 kg is 9.6 m/s

Answer:

The time taken for the sound wave to make the round trip is 0.16 s.

Explanation:

Given;

distance traveled by the sound wave, d = 120 m

bulk modulus of sea water, B = 2.3 x 10⁹ N/m²

density of sea water, ρ = 1022 kg

The speed of the wave is given by;

\(v = \sqrt{\frac{B}{\rho} } \\\\v = \sqrt{\frac{2.3*10^9}{1022} }\\\\v = 1500.16 \ m/s\)

Speed is given by;

\(Speed = \frac{Distance}{Time}\)

total distance of the round trip = 2 x 120m = 240 m

Time taken for the sound wave to make the round trip is given by;

\(Time = \frac{Distance}{Speed} \\\\Time = \frac{240}{1500.16} \\\\Time = 0.16 \ second\)

Therefore, the time taken for the sound wave to make the round trip is 0.16 s.

The weight of the larger mass will therefore be 27 kg. When you know the radius, you may use the formula volume = (4/3) r3 to calculate the sphere's volume or mass.

Then, using the formula mass = volume * density, you can calculate the mass by multiplying the volume by the density: mass = volume density. The formula mass = (4/3) r3 density can also be used.

The new radius can be expressed as r + 0.5r = 1.5r if the radius is increased by 50%. As a result, the new volume is 337.5% larger than the original. In other words, the new mass is 337.5% of the old mass.

The new mass will therefore be 27kg.

Furthermore, the area and circumference of the circle grow as the circle's diameter rises.

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Therefore, the greater mass will weigh 27 kg. When you are aware of the radius, you can determine the volume or mass of the sphere using the formula volume = (4/3) r3.

The mass can then be determined by multiplying the volume by the density using the formula mass = volume*density. It is also possible to apply the formula mass = (4/3)r3 density.

If the radius is expanded by 50%, the new radius may be written as r + 0.5r = 1.5r. The new volume is therefore 337.5% bigger than the old one. The new mass is therefore 337.5% of the original mass.

Therefore, the new mass will be 27kg.

Furthermore, as the circle's diameter increases, so do its surface area and circumference.

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Answer:

While centripetal force focuses towards the centre of a rotating path, the centrifugal force is just opposite to this, meaning it exerts a force to liberate a body from ...

Centripetal force is an inward force and centrifugal force is an outward force.

Centrifugal force is often referred to as inertial force or fictitious force.

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Explanation:

Answer:

It uses x-rays. The image is produced by polarizing exciting hydrogen nuclei of water molecules in the human tissue which will produce the image.  

Answer:

It uses x-rays. The image is produced by polarizing exciting hydrogen nuclei of water molecules in the human tissue which will produce the image.

haha ctrl + v go brrrrrrrrrrrrrr

Vipers, pythons and boas have holes on their faces called pit organs, which contain a membrane that can detect infrared radiation from warm bodies up to one metre away. In this sense, snakes use this ability to detect objects

Answer:

c.

The relationship between the angles of incidence and refraction when a light ray passes across the boundary between two media with differing refractive indices is described by Snell-Descartes law.

Snell's law

n₁sinθ₁ = n₂sinθ₂

In the following equation, n1 and n2 stand for the refractive indices of the two media. θ₁ for angle of incidence (the angle between the incident ray and the normal to the boundary), and θ₂ for angle of refraction (the angle between the refracted ray and the normal to the boundary). Sometimes referred to as Snell-Descartes law, in its mathematical form.

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Hi! To calculate the frequency of a tsunami with a speed of 750 km/h and a wavelength of 500 km, you can use the formula:

Frequency (f) = Wave speed (v) / Wavelength (λ)

First, you need to convert the speed and wavelength to the same units. We'll convert them to meters and seconds:

Speed: 750 km/h * 1000 m/km * (1/3600) h/s = 208.33 m/s
Wavelength: 500 km * 1000 m/km = 500,000 m

Now, plug in the values into the formula:

Frequency (f) = 208.33 m/s / 500,000 m
Frequency (f) ≈ 0.00041667 Hz

The frequency of such a tsunami wave is approximately 0.00041667 Hz.

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Answer:False

Explanation:

The velocity of a stone of mass 6kg released from a height of 30m before impact is approximately 24.25m/s.

The velocity before impact can be calculated using the formula: v = √(2gh), where v is the velocity, g is the acceleration due to gravity, and h is the height from which the stone is released.
In this case, the mass of the stone is 6kg, but it does not affect the velocity before impact. The height from which the stone is released is 30m, and the acceleration due to gravity is 9.8 m/s².
Plugging these values into the formula, we get:
v = √(2 x 9.8 x 30)
v = √(588)
v = 24.25m/s

Therefore, the velocity before impact is 24.25m/s.

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Troposphere, stratosphere, mesosphere, thermosphere and exosphere.

Earth's atmosphere has five major layers.

From lowest to highest, layers are the troposphere, stratosphere, mesosphere, thermosphere and exosphere.

a) What are the conditions in the troposphere?

The atmospheric temperature descends upward with a slope of ~10 K km−1 for dry air and ~7 K km−1 for wet air in troposphere.

The temperature of troposphere decreases with an increase in height.

B) What sort of temperatures would she experience in the stratosphere? What other layer is found within the stratosphere?

The temperature in the stratosphere ranges from- 60° F at the troposphere boundary to -5°F at the top.

The temperature increase is due to the ozone layer that absorbs ultraviolet light from solar radiation.

C)What sort of temperatures would she experience in the mesosphere?

The temperature in the mesosphere ranges from -2.5°C to -90°C

The temperature decreases because of a decrease in the absorption of penetrating solar radiation.

The atmosphere gets cooler with an increase in altitude because an increase in distance from the Earth's surface.

D)What sort of temperatures would she experience in the thermosphere? What other layer is found within the thermosphere?

4,500°F is the temperature of thermosphere.

Temperatures climb sharply in the lower thermosphere , then level off and hold fairly steady with increasing altitude above that height.

Temperatures in the upper thermosphere can range from about 500° C (932° F) to 2,000° C (3,632° F) or higher.

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Answer:

osm that is ha answer ok 09.00

Answer:

Please find attached the motion of the helicopter (drawn to scale) showing the magnitude and the direction of the net displacement of the helicopter obtained by measurement to be 105 miles and 19° respectively

By calculation, the magnitude of the net displacement is approximately 105.83 miles and the direction of the net displacement is approximately 19.1066°

Explanation:

The parameters of the motion of the helicopter are;

The distance the helicopter flies before turning = 80 miles

The distance the helicopter then turns and flies = 40 miles

The direction the helicopter turns = 60°

Therefore, we have;

The total length the helicopter flies in the original direction = The component of the length of the 40 mile flight that is in the original direction + The distance the helicopter flies before turning

∴ The total length the helicopter flies in the original direction = 40 × cos(60°) + 80 = 20 + 80 = 100

The total length the helicopter flies in the original direction = 100 miles

The component of the 40 mile flight that is perpendicular to the original direction = 40 × sin(60°) = 40 × √3/2

The magnitude of the net displacement = √(100² + (40×√3/2)²) ≈ 105.83

The magnitude of the net displacement ≈ 105.83 miles

The direction of the net displacement = tan⁻¹((40 ×√3/2)/(100)) ≈ 19.1066°

The direction of the net displacement ≈ 19.1066°.

The type of intelligence required by a profession depends on its job description. Lawyers most likes have analytical intelligence.

A renowned psychologist named Howard Gardner devised a theory of multiple intelligence. This means that nobody is really not intelligent because a person must posses one or more of these multiple intelligence.

A lawyer has a lot to do with analytic reasoning and comparison of evidence to determine their validity. This task requires a strong analytical mind hence a lawyer requires analytical intelligence.

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Answer:

Power = 1625 Watts

Explanation:

Given the following data;

Energy = 65,000 J

Time = 40secs

To find the power;

Power can be defined as the energy required to do work per unit time.

Mathematically, it is given by the formula;

\( Power = \frac {Energy}{time} \)

Substituting into the equation, we have

Power = 65,000/40

Power = 1625 Watts

Answer:

Explanation:

The acceleration of an object given it's velocity and time taken acting on it can be found by using the formula

\(acceleration = \frac{velocity}{time} \\ \)

From the question

velocity = 30 m/s

time = 7 s

We have

\(acceleration = \frac{30}{7} \\ = 4.285714...\)

We have the final answer as

Hope this helps you

If you stare at a red object and immediately look at a white area afterward, you will see an afterimage that is the same size and shape, but it is blue-green, or cyan, in color. '

This is known as the opponent process theory

The opponent process theory of color vision says that color is processed in pairs (red-green, yellow-blue, and black-white.)

It means that Light that stimulates one half of the pair inhibits the other half.

In conclusion, this opponent process is thought to be responsible for our perception of color and explains why people experience afterimages.

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Answer:

true

Explanation:

i did the test its right

Answer:

true

mark mine as brainiest, i could use the points

The work done by the electric field in moving a proton from a point with a potential of 140 V to a point where it is -45 V can be calculated using the formula: W = qΔV

Where W is the work done, q is the charge of the proton, and ΔV is the change in potential.

The charge of a proton is 1.602 × 10^-19 C.

The change in potential (ΔV) is given by:

ΔV = Vf - Vi = (-45 V) - (140 V) = -185 V

Substituting these values, we get:

W = (1.602 × 10^-19 C) x (-185 V)

W = -2.97 × 10^-17 J

Since the work done is negative, this means that the electric field does work on the proton to move it from the point with a higher potential to the point with a lower potential.

Therefore, the electric field does 2.97 × 10^-17 J of work in moving a proton from a point with a potential of 140 V to a point where it is -45 V.

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Answer: UV rays, either from the sun or from artificial sources like tanning beds, can cause sunburn. Exposure to UV rays can cause premature aging of the skin and signs of sun damage such as wrinkles, leathery skin, liver spots, actinic keratosis, and solar elastosis. UV rays can also cause eye problems.

Explanation: Uv means ultraviolet