find the distance (in metres) traveled by a radio wave in 21.5 h.

Answer:

D.Linegraph

Explanation:

Linegraph could be easily converted into a pie chart

Answer:

bar graph

Explanation:

The abnormal backward flow of gastrointestinal (GI) contents into the esophagus is known as gastroesophageal reflux (GERD) or acid reflux. It occurs when the lower esophageal sphincter fails to close properly, leading to symptoms such as heartburn and regurgitation.

Gastroesophageal reflux, commonly referred to as GERD or acid reflux, is a condition characterized by the abnormal backward flow of GI contents into the esophagus. The esophagus is a muscular tube that connects the throat to the stomach. Normally, a circular muscle called the lower esophageal sphincter (LES) acts as a barrier, preventing the contents of the stomach from moving back into the esophagus. However, when the LES weakens or relaxes inappropriately, it allows stomach acid, digestive enzymes, and partially digested food to flow back up into the esophagus.

This backward flow of stomach contents can cause various symptoms, including heartburn, which is a burning sensation in the chest or throat. Regurgitation, where partially digested food or acid backs up into the mouth or throat, is another common symptom. Other possible symptoms of GERD include chest pain, difficulty swallowing, hoarseness, chronic cough, and a sour taste in the mouth.

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\(w = F * S\)

\(F = 20\\S = 10\\F * S = 20 * 10 = 200\) Joules <- 1st answer

\(w = F * S\)

\(1234 = F * 100\)

\(F = \frac{1234}{100}\)

\(F = 12.34 N\)  <- 2nd answer

Answer:

Blue Jeans (are) blue light,

so that we see them as the color

Answer:

a. 60 N*s

b. 60 (kg*m)/s

c. 3 m/s

Explanation:

Givens:

m = 20 kg

v_i = 0 m/s

t = 10 s

F = 6 N

a) Impulse:

I = F*t

I = 6 N*10 s

I = 60 N*s

b) Momentum:

p = v*m

F = m(a)

a = F/m

a = 6 N/20 kg

a = 0.3m/s^2

a = (v_f -v_i)/t

v_f = (0.3 m/s^2)*10 s

v_f = 3.0 m/s

p = 3 m/s*20 kg

p = 60 (kg*m)/s

c. Final velocity

a = (v_f -v_i)/t

v_f = (0.3 m/s^2)*10 s

v_f = 3.0 m/s

The impulse, momentum and final velocity can all be obtained from Newton's second law.

Let us recall that the impulse is obtained as the product of force and time.

Impulse = Force × time

Impulse = 6 N × 10 s = 60 Ns

From Newton's second law of motion;

F.t = mv - mu

Since the object was initially at rest;

F.t = mv

Hence, the final velocity of the object is 60 Kgms-1

The final velocity is obtained from;

F.t = mv

v = F.t/m

v = 6 × 10/20

v = 3 m/s

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Answer:

a)5.925

ii)149.5 or383.5

Explanation:

ii)3.9×105-2.5×104

409.5-260

the zero in 260 may or may not be significant since it is after two significant figures thus we have two options

Answer:

The strength of gravity decreases.

An example of that would be if you were in space; you float around because there's no gravity.

Answer:

How many questions should be answered??

Coulomb's law states that the force of attraction or repulsion between two charged particles is directly proportional to the product of their charges and inversely proportional to the square of the distance between them.

Given, Charge

q = 6.25 × 10⁻⁶ C and mass

m = 6.55 g = 6.55 × 10⁻³ kg

Speed of the particle = v = 459 cm/s = 4.59 m/s

Length of the plates,

d = 34.6 cm = 0.346 m

Electric field strength,

E = 2060 N/C

Mathematically,
F ∝ Q₁Q₂/d²

The force on the charge q due to the electric field E is given by

F = Eq

Distance fallen by the particle is given

by = 1/2 gt²,

where g = acceleration due to gravity = 9.8 m/s²In the vertical direction, force on the charge F = mg

Since the charge falls below its intended path, the vertical component of the electric force is greater than the force due to gravity.

So,

we have

F = Eq = mg ⇒ qE = mg

⇒ y = 1/2 gt² = (qE/m) × (t²/2) = (qE/m) × [2y/g]²/2

⇒ y = [(qE/m) × (y/g)]²

⇒ y = (qE/mg)²/3 [∵ t = 2y/g]

Substituting the given values,

we gety = [(6.25 × 10⁻⁶ C × 2060 N/C) / (6.55 × 10⁻³ kg × 9.8 m/s²)]²/3= (1.233 × 10⁻²)²/3= 1.59 × 10⁻⁴ m = 1.59 × 10⁻² cm

Hence, the particle falls 1.59 × 10⁻² cm below its intended path.

Therefore, a field strength of 1.04 × 10⁴ N/C would allow the particle to pass through the plates along a straight path.

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The statement that is true about the time constant is that the product of the resistance R and the capacitance C is equal to the time constant τ of the charging capacitor.

A time constant describes the rate of change of current or voltage in a circuit. When an RC (resistance-capacitance) circuit is charged, the time constant represents the duration required for the capacitor to charge to 63.2% of its maximum charge potential. It also represents the time required for the capacitor to discharge to 36.8 percent of its maximum potential.

The formula for calculating the time constant of an RC circuit is:τ = RC.

Where R is resistance, and C is capacitance.

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Monitoring tofu retargeting segments is important to analyze campaign effectiveness, optimize ad targeting, and improve conversion rates and ROI.

Firstly, tofu retargeting segments allow advertisers to track and analyze the behavior of potential customers who have shown initial interest in their products or services. By monitoring these segments, advertisers can gain insights into the effectiveness of their marketing campaigns and adjust their strategies accordingly.
Secondly, monitoring tofu retargeting segments helps in optimizing ad targeting and personalization. By understanding the preferences and actions of users at the top of the funnel, advertisers can deliver more relevant and engaging ads to capture their attention and nurture them through the conversion journey.
Furthermore, tracking tofu retargeting segments enables advertisers to measure the impact of their retargeting efforts on conversion rates and return on investment (ROI). By assessing the performance of retargeting campaigns, advertisers can make data-driven decisions to optimize their advertising spend and maximize the effectiveness of their overall marketing efforts.
Overall, monitoring tofu retargeting segments provides valuable insights, aids in ad optimization, and helps advertisers make informed decisions to improve their marketing strategies and drive better results.

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Answer: 40.2m/sec

Work: v=p/m= 5.83kg/0.145k=40.2cm/sec

Answer:

13108.3N

Explanation:

Given parameters:

Acceleration = 0.785m/s²

Net force  = 1050N

Unknown:

Normal force acting on car  = ?

Solution:

The normal force on this car is the weight of the car;

   Normal force  = mg

where m is the mass of the car

           g is the acceleration due to gravity = 9.8m/s²

Now solve for the mass;

             Net force  = mass x acceleration

                1050  = mass x 0.785

                 mass  = \(\frac{1050}{0.785}\)   = 1337.6kg

So,

     Normal force  = 1337.6kg x 9.8m/s² = 13108.3N

13108 works as well for acellus

The speed of the transverse wave in the given rope is approximately 64.8 m/s.

The speed of a transverse wave in a rope of length 3.5 m and mass 35 g under a tension of 420 N can be calculated using the formula v = sqrt(T/μ), where T is the tension, μ is the linear density (mass per unit length) of the rope, and v is the speed of the wave.

To find the linear density, we divide the mass of the rope by its length:

μ = m/L = 0.035 kg / 3.5 m = 0.01 kg/m

Now we can calculate the speed of the wave:

v = sqrt(T/μ) = sqrt(420 N / 0.01 kg/m) = 64.8 m/s

Therefore, the speed of the transverse wave in the given rope is approximately 64.8 m/s.

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The acceleration of the eraser is 169.19 m/s².

A body travelling in a circle has centripetal acceleration. Due to the fact that velocity is a vector quantity (i.e., it has both a magnitude and a direction), when a body travels in a circle, its direction is continually changing, which causes a change in velocity, which results in an acceleration.

Given that angular velocity of the eraser: ω = 127 rpm

= 126×2π/60 radian/second

= 13.2 radian/second.

radius of the circle: r = 0.974 meter.

Hence, its centripetal acceleration is = ω²r

= 13.2×13.2×0.974 m/s²

=169.19 m/s².

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Answer:

They're impressions of organisms preserved in rock. Paleontologists use fossil remains to understand different aspects of extinct and living organisms.  They do this by analyzing invertebrate fossils. All of this, all this studying helps to know our past.

Explanation:

Answer:

C. Overcome Friction

Explanation:

When using any machine usually those with moving parts, you may notice heat forming near the areas where most movement occurs. As friction continues, more energy is used up and released as heat. For that reason, the efficiency of a machine will forever be less than 100%

The gravitational force on the object of masses 3.1×10²³ kg and  7.3×10⁵ kg respectively is 8.16×10⁻³ N.

Gravitational force is the most prevalent force in the universe, pulling together on any two objects with mass in the universe.

To calculate the magnitude of the gravitational force, we use the formula below.

Formula:

Where:

From the question,

Given:

Substitute these values into equation 1

Hence, the gravitational force is 8.16×10⁻³ N.

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Answer:

speed

Explanation:

Given: an incomplete sentence

To fill: the blank

Solution:

Speed is not a vector quantity but a scalar quantity as it has magnitude but no direction.

Speed = Distance ÷ Time

You can calculate an average speed if you know both the total distance and the total time of the trip.

Average speed = Total distance ÷ Total time

I. Horizontal motion can be uniform because there is no force acting in the horizontal direction to change the velocity of the object.

II. Vertical motion is accelerated due to the force of gravity acting on the object.

III. When drag due to air resistance is taken into consideration, the motion of a projectile is affected because it experiences a resistive force that opposes its motion.

According to Newton's first law of motion, in the absence of air resistance or any other forces, an object moving horizontally will continue to move at a constant speed in a straight line.

On the other hand, vertical motion is accelerated due to the force of gravity acting on the object. Gravity pulls the object downwards, causing it to accelerate towards the ground.

When drag due to air resistance is taken into consideration, the motion of a projectile is affected because it experiences a resistive force that opposes its motion. As a result, the projectile's velocity decreases over time, causing it to cover a shorter distance and reach a lower maximum height than it would without air resistance.

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The force exerted between two charges is given by Coulomb's law:

F = k * (q1 * q2) / r^2

where:

F = force (N)

k = Coulomb's constant (8.99 x 10^9 N m^2/C^2)

q1, q2 = charges (C)

r = distance between charges (m)

Given that the magnitude of the force exerted is 8 mN and the distance between the charges is 4.2 m, we can substitute these values and the value of k into the equation and solve for q1 and q2:

8 x 10^-3 N = k * (q1 * q2) / (4.2 m)^2

q1 * q2 = (8 x 10^-3 N * (4.2 m)^2) / k

Given that q1 + q2 = 10C and q1 < q2, and q1,q2 are positive, so they repel each other.

By solving this equation, we can find q1 and q2:

q1 = x and q2 = 10 - x

substituting the above values into q1 * q2 = (8 x 10^-3 N * (4.2 m)^2) / k we can find the value of x

x(10-x) = (8 x 10^-3 N * (4.2 m)^2) / k

x^2 - 10x + (8 x 10^-3 N * (4.2 m)^2) / k = 0

By solving the above equation we can find the value of x which is q1.

q1 = (10 + sqrt(100 - (32 * 8 * 10^-3 * (4.2)^2) / 8.99 * 10^9))/2

q2 = 10 - q1

q1 = 3.32 C

q2 = 6.68 C

So, q1 is 3.32 C and q2 is 6.68 C

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Answer:

C. nuclear to electrical

Answer:

c its c noob

Explanation:

Answer:

No, because a basketball is bigger than a baseball, and objects that are bigger accelerate slower.

Explanation:

Answer:

F = 987600 N

Explanation:

Force Equation

F=ma

Newton's second law states that force is proportional to what is required for an object of constant mass to change its velocity. This is equal to that object's mass multiplied by its acceleration. We use Newtons, kilograms, and meters per second squared as our default units, although any appropriate units for mass (grams, ounces, etc.) or velocity (miles per hour per second, millimeters per second2, etc.) could certainly be used as well - the calculation is the same regardless.

Solve

F = m * a

F = 100 kg * 9876 m/s2

F = 987600 N

Newtons are derived units, equal to 1 kg-m/s². In other words, a single Newton is equal to the force needed to accelerate one kilogram one meter per second squared.

yes it does

well i hope this helps