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3 years ago

The current through a stationary loop in a constant magnetic field:

Physics

1 answer:

Angelina_Jolie [31]3 years ago

7 0

Answer:

remains zero

Explanation:

According to the Faraday's law of electromagnetic induction, when the magnetic flux linked with the coil changes, an induced emf is developed in the coil.

Here the loop is kept stationary in a constant magnetic field, so no magnetic flux linked with the coil changes, hence the current remains zero in the coil.

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You are an astronaut floating alongside your space ship. If you throw a baseball with a speed of 10 m/s, you will move at:

ZanzabumX [31]

Answer:

Explanation:

There is no friction to stop you from moving BC you are in space, however you have a larger mass than the ball, so it takes more force to get you up to the same speed as the baseball. You will move in the opposite direction of the ball because you exerted force on the ball in one direction and therefore yourself in the opposing direction.

4 0

3 years ago

On a vacation flight, you look out the window of the jet and wonder about the forces exerted on the window. Suppose the air outs

user100 [1]

Answer:

A) $\Delta P = 14512.5 Pa = 14.512 kPa$

B) F = 1632.65 N

Explanation:

Given details

outside air speed is given as $v_2 = 150 m/s$

since inside air is atmospheric , $v_1 = 0 m/s$

a) By using bernoulli equation between outside and inside of flight

$P_1 + \frac{1}{2} \rho v_1^2 + \rho gh = P_2 + \frac{1}{2} \rho v_2^2 + \rho gh$

$\Delta P = \frac{1}{2} \rho v_2^2 - \frac{1}{2} \rho v_1^2$

$\Delta P = \frac{1}{2} \rho[ v_2^2 -v_1^2]$

$\Delta P = \frac{1}{2} 1.29 [ 150^2 - 0^2]$

$\Delta P = 14512.5 Pa = 14.512 kPa$

b) force exerted on window

Area of window $= 25\times 45 = 1125 cm^2 = 0.1125 m^2$

We know that force is given as

$F = P\times A$

$F = 14512.5 \times 0.1125$

F = 1632.65 N

5 0

4 years ago

Electron (-) has a charge of 1.6 x 10-19 C. Proton (+) has a charge of 1.6 x 10-19 C. In a hydrogen atom the distance between a

gladu [14]

Answer:

c because you can lift a 2 pound dumbell

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4 years ago

A woman falls to the ground while wearing a parachute. The air resistance of a parachute is 500N. If the woman falls at a consta

Verizon [17]

Answer:

500N

as in case of uniform motion net force acting is zero

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4 years ago

Which type of land usage would increase as the population increases?

raketka [301]

Answer:

If the population were to INCREASE land use would also INCREASE, if the human population DECREASED so would land use because there wouldn’t be as many people to using it. hope i helped

3 0

3 years ago