An alpha particle, which is a helium nucleus, has a mass of 6.64x10^-27 kg. It is traveling horizontally at 42.3 km/s when it enters a uniform, vertical 1.60 T magnetic field. What is the diameter of the path followed by the particle?

Answer:

700 N right -->

800- (60+40)

800-100

700 N

Based on the speed of the Marlin and Sailfish respectively, for Marlin to wait in Australia for the sailfish to arrive is 37550.5 seconds.

The speed of an object is the distance covered per unit time by the object.

The time for the Marlin to wait is calculated as follows:

Speed of Marlin = 129 km/hr

Speed of Marlin in m/s = 129 km/hr * 1000 m / 3600s

Speed of Marlin in m/s = 35.83 m/s

Distance travelled = 7.802 * 10⁶ m

Time taken for the Marlin = 7.802 * 10⁶ m / 35.83 m/s

Time taken for the Marlin = 217750.5 seconds

Time taken by the Sailfish is a determined as follows:

Speed of Sailfish = 110 km/hr

Speed of Sailfish in m/s = 110 km/hr * 1000 m / 3600s

Speed of Sailfish in m/s = 30.56 m/s

Distance travelled = 7.802 * 10⁶ m

Time taken for the Sailfish = 7.802 * 10⁶ m / 30.56 m/s

Time taken for the Sailfish = 255301 seconds

Time for Marlin to wait = (255301 - 217750.5) seconds

Time for Marlin to wait = 37550.5 seconds.

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Answer:

its Solid

Explanation:

Molecules in the solid phase has the least amount of energy, while the gas particles has the greatest amount of energy.

Answer:

Solid

Explanation:

Molecules in the solid phase have the least amount of energy, while gas particles have the greatest amount of energy. The temperature of a substance is a measure of the average kinetic energy of the particles.

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The total resistance of the network is 3 Ohms. The current flowing through the battery in the circuit is 10 Amperes.

To find the total resistance of the network, we can use the formula for resistors in series:

R_total = R_1 + R_2

R_1 = 2 Ohms

R_2 = 1 Ohm

Substituting the given values into the formula:

R_total = 2 Ohms + 1 Ohm

R_total = 3 Ohms

Therefore, the total resistance of the network is 3 Ohms.

To find the current flowing through the battery in the circuit, we can use Ohm's Law:

I = V / R

I is the current

V is the voltage (emf) of the battery

R is the total resistance of the network

V = 30 V

R = 3 Ohms

Substituting the given values into the formula:

I = 30 V / 3 Ohms

I = 10 Amperes

Therefore, the current flowing through the battery in the circuit is 10 Amperes.

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An airplane is heading north at an airspeed of 600 km/hr, but there is a wind blowing from the southwest at 90 km/hr. The true direction and speed of the airplane is 4.92° and 659km/hr

The included angle is 45 greater than 90 and so has measure 90+ 45 =135

s=\(\sqrt{a^{2}+b^{2}-2.a.bcos(\beta ) }\)

s=√600²+80²-2.600.80cos(135)=659.001

The other angle we know in this diagram has measure 135 and is opposite the side with length 659.001.

sin(∝)/A=sin(β)/B

sin(135)/659=sin(β)/80

β=4.9°

The direction of the Geographic North Pole from a location is known as True North (TN), and this is how true direction is measured. Since meridians always run in a North/South orientation, they can be used to determine the direction of True North at the location where the measurement is being taken. The North Pole is centered on the navigational maps. In order to establish a "track" or "course" that flies in degrees true, a pilot can estimate the direction between two sites. Magnetic North, which is not the North Pole, is where the compass points.

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Answer:

D

Please let me know if this helped! Please rate it the brainlist if possible, thanks

We have that  the reactivity of an alkali metal is determined by

The number of protons it has

Option C

From the question we are told

Generally

It is known that the reactivity of an alkali metal is main determined by

The Positive charges of the nucleus i.e the Protons present in the atoms

and the shielding of the nucleus from the outer electrons

Therefore

For the options

The correct option is

Option C

The number of protons it has

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The object that has potential energy is the can of gasoline.

Potential energy is described as the energy held by an object because of its position relative to other objects, stresses within itself, its electric charge, or other factors.

The forms of potential energy includes:

Potential energy is described as the energy a system has due to position, shape, or configuration.

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The volume of a material is directly related to its temperature in that thermal expansion occurs with an increase in temperature while thermal contraction occurs with a decrease in temperature.

The effect of heat, when applied to a substance, is that it may result in thermal expansion or thermal contraction when heat is removed

Thermal expansion refers to the increase in the size of a material when heat is applied to the substance resulting in temperature increase. Thermal expansion may be an increase in volume, area, or length.

Thermal contraction refers to the decrease in the size of a material when heat is removed from the substance. Thermal expansion may be a decrease in volume, area, or length.

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The correct answer is "Your latitude." The number of degrees of arc that Polaris (the North Star) is above the horizon depends on your latitude.

Polaris is located very close to the North Celestial Pole, which is the point in the sky directly above Earth's North Pole. If you are at the North Pole (latitude 90 degrees North), Polaris would appear directly overhead at an angle of 90 degrees above the horizon. As you move south from the North Pole, the angle decreases. At the equator (latitude 0 degrees), Polaris would appear on the horizon, or at an angle of 0 degrees above the horizon.

Therefore, the correct answer is "Your latitude." The other options you mentioned, such as mass, the core, and spiral, are not directly related to the angle at which Polaris appears above the horizon.

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Answer:

Vibrations from neighboring atoms

Explanation:

When a rod is heated, the thermal energy transferred to the molecules of the rod causes them to vibrate faster. As the molecules near the heat source vibrate faster, they eventually transfer their excess energy to neighbouring molecules which also begin to vibrate faster. This continues until heat is distributed throughout the length of the rod.

The process described above is known as heat transfer by conduction.

Answer:

I kinda dont remember the 1st law so search it up on

and it should tell u , but if u need any help from the

Answer:

The 10-meter long rod of an SR-71 airplane expands 0.02 meters (2 centimeters) when plane flies at 3 times the speed of sound.

Explanation:

From Physics we get that expansion of the rod portion is found by this formula:

\(\Delta l = \alpha\cdot l_{o}\cdot (T_{f}-T_{o})\) (Eq. 1)

Where:

\(\Delta l\) - Expansion of the rod portion, measured in meters.

\(\alpha\) - Linear coefficient of expansion for titanium, measured in \(\frac{1}{^{\circ}C}\).

\(l_{o}\) - Initial length of the rod portion, measured in meters.

\(T_{o}\) - Initial temperature of the rod portion, measured in Celsius.

\(T_{f}\) - Final temperature of the rod portion, measured in Celsius.

If we know that \(\alpha = 5\times 10^{-6}\,\frac{1}{^{\circ}C}\), \(l_{o} = 10\,m\), \(T_{o} = 0\,^{\circ}C\) and \(T_{f} = 400\,^{\circ}C\), the expansion experimented by the rod portion is:

\(\Delta l = \left(5\times 10^{-6}\,\frac{1}{^{\circ}C} \right)\cdot (10\,m)\cdot (400\,^{\circ}C-0\,^{\circ}C)\)

\(\Delta l = 0.02\,m\)

The 10-meter long rod of an SR-71 airplane expands 0.02 meters (2 centimeters) when plane flies at 3 times the speed of sound.

Given

m = 24kg

vi = 2 m/s

vf = 6 m/s

Procedure

Impulse = Change in momentum

The answer would be I = 96 kg*m/s

Answer:

3.75 hours

Explanation:

By \(v = \frac{d}{t}\)

where v is the velocity (or speed in this case)

d is the distance travelled

t is the time taken

\(t = \frac{150}{40}=3.75\)
Therefore it takes 3.75 hours for the bus to travel 150 km and 40 km/hr.

In ohms, the resistance of the unknown resistor is 6.19 amps.

Ohm's law states that the current through a conductor between two points is directly proportional to the voltage across the two points.

Therefore in ohm's law, V = IR

V = voltage

I = current

R = resistance

To calculate the resistance, we have

R = V/I

where Voltage = 29.7

Current , I = 4.8

Resistance= 29.7/ 4.8 = 6.19 amps

In conclusion, Ohm's Law is a formula used to calculate the relationship between voltage, current and resistance in an electrical circuit.

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Answer: In the Physics models, we do not take into account the energy change by the friction of moving components

Explanation:

Answer:

All adjustments in issue include changes in energy. Energy is either delivered or consumed. The energy is often in the form of heat, however it might be in the form of sound or light.

Explanation:

this is in my own words btw:)

a) The value of the required velocity is v(t) = t²/2 - 4t + 4e⁻⁵

b) The value of the required distance is S(t) = t³/6 - 2t² + 4e⁻⁵t + 5

c) The value of the velocity when t = 9 is approximately -28.2 m/sec

(a)To find v(t), we need to integrate a(t) first

a(t) = 2∫

a(t) dt = ∫ 2

dt = 2t + C1

Here, C1 is the constant of integration

Next, we need to integrate v(t) by substituting the value of a(t) into it

v(t) = ∫ (2t + C1)

dt= t² + C1t + C2

Here, C2 is another constant of integration

v(0) = - 4⇒ C2 = - 4

Also, given: v(t) = Vt + 4e⁻⁵

Comparing the above two equations:

v(t) = Vt + 4e⁻⁵ = t² + C1t - 4

On differentiating with respect to t, we geta(t) = 2

Therefore, we get the differential equation as:

Vt + 4e⁻⁵ = t² + C1t - 4 - - - - - - (1)

To find v(t), we need to solve this differential equation

Substituting t = 0, in (1), we get

-4 + 4 = 0 + C1(0)⇒ C1 = 0

Therefore, the differential equation becomes:

Vt + 4e⁻⁵ = t² - 4

On differentiating the above equation w.r.t t, we get:

a(t) = 2

Therefore, we get

v(t) = t²/2 - 4t + 4e⁻⁵ - - - - - - (2)

Thus, the required velocity is given by:

v(t) = t²/2 - 4t + 4e⁻⁵

Part (b) To find s(t), we need to integrate v(t) first

v(t) = t²/2 - 4t + 4e⁻⁵∫ v(t)

dt = ∫ (t²/2 - 4t + 4e⁻⁵)

dt= t²/6 - 2t² + 4e⁻⁵t + C3

Here, C3 is the constant of integration

Also, given that S(0) = 5⇒ C3 = 5

Therefore, we get

S(t) = t³/6 - 2t² + 4e⁻⁵t + 5 - - - - - - (3)

Thus, the required distance is given by:

S(t) = t³/6 - 2t² + 4e⁻⁵t + 5

Part (c) To find the velocity when t = 9We can use the value of v(t) obtained in part (a)⇒ v(9) = (9)²/2 - 4(9) + 4e⁻⁵⇒ v(9) = - 28.2 (approx)

Thus, the velocity when t = 9 is -28.2 (approx)m/sec.

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Answer:

B) 4 m/s²

Explanation:

\( \boxed{ \sf{ F= m \times a}}\)

Here,

Substituting the respective values for F and m:

==> 220 = 55 × a

==> 220 = 55 × a

dividing the equation by 55:

==> 4 = a

Therefore, an object of 55 kg when pulled across a frictionless surface by a force of 220 N accelerates at 4 (m/s)/s

The medium in which electromagnetic waves and mechanical waves travel is one of their primary distinctions. Light and other electromagnetic waves, including radio waves, can move through void space without the aid of a physical medium.

They may move through vacuum, air, or other materials and are made up of oscillating electric and magnetic fields. The propagation of mechanical waves, such as sound or water waves, on the other hand, depends on a physical medium.

To transport energy, they rely on particle interactions and displacements in the medium. Since mechanical waves need a physical medium to carry their energy, they cannot move through a vacuum.

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Taking into account the definition of density, the volume of the sample of gold is 0.0646998 L.

Density is defined as the property that allows us to measure the amount of mass in a certain volume of a substance.

The expression for the calculation of density is the quotient between the mass of a body and the volume it occupies:

density= mass÷ volume

From this expression it can be deduced that density is inversely proportional to volume: the smaller the volume occupied by a given mass, the higher the density.

In this case, you know that:

Replacing in the definition of density:

19.32 g/cm³= 1250 g÷ volume

Solving:

19.32 g/cm³× volume= 1250 g

volume= 1250 g÷ 19.32 g/cm³

volume= 64.6998 cm³= 0.0646998 L (1 cm³= 0.001 L)

In summary, the volume of the sample of gold is 0.0646998 L.

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Answer:

solid

Explanation:

Gold is a chemical element with symbol Au and atomic number 79. Classified as a transition metal, Gold is a solid at room temperature.

Answer:

A just took the quiz on edge

Explanation:

In the supply curve, when the price of a good increases, A. The quantity of goods that are produced increases.

Supply simply means the quantity of goods and services that a supplier is willing to sell at a particular place, price and time.

In this case, when there's an increase in the price of goods, it should be noted that producers will supply more of the goods. This is done in order to generate more revenue.

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Answer:

The majority of pollutants that make their way into the ocean come from human activities along the coastlines and far inland. One of the biggest sources of pollution is nonpoint source pollution, which occurs as a result of runoff.

Radiation is a significant risk factor when it produces leukemia in radiologists and survivors of atomic bomb explosions.

Ionizing radiation, such as that emitted from radioactive materials, medical equipment, and atomic bombs, has enough energy to remove tightly bound electrons from atoms, causing them to become charged particles or ions. These ions can damage cellular structures, including DNA, which can lead to mutations and ultimately cause cancer, such as leukemia. Radiologists, who are regularly exposed to ionizing radiation during their work with diagnostic imaging equipment, are at an increased risk of developing leukemia. Similarly, survivors of atomic bomb explosions have been exposed to high levels of ionizing radiation, which can also result in the development of leukemia, this increased risk is due to the mutagenic nature of ionizing radiation, which directly influences the genetic material of cells.

In both scenarios, safety measures and guidelines should be in place to minimize the exposure to ionizing radiation. For radiologists, this may include wearing protective gear and limiting the duration of their exposure to radiation sources. For survivors of atomic bomb explosions, monitoring and assessing long-term health risks become vital for early detection and treatment of radiation-induced leukemia. In conclusion, radiation is a significant risk factor for leukemia development in both radiologists and survivors of atomic bomb explosions due to the damage it causes to the cellular structures, particularly DNA.

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Answer:

D.Erroneous Perceptions or thoughts

Answer:

D. erroneous perceptions or thoughts

Explanation:

why not

Answer:

OPEN

Explanation:

Answer:

a computer is a open system

Answer:

The more mass an object has, the greater its gravitational field and gravity force will be.

Explanation:

gravity force = mass × gravitational field strength (g)

The more mass, the more g-force.

no clue what the question is but pop off i guess

Answer: (from top to bottom)

350 N, 80 kg, 10 m/s^2, 80 kg, -15 m/s^2, -3000 N

Explanation:

Force = Mass*Acceleration (aka F = ma)

Using algebra, you can find the variables/unknown values.