Which circuit has three non-identical resistors that must have the same voltage drop?

Physics

1 answer:

Lelu [443]3 years ago

5 0

D do.

All 3 resistors are connected directly across the battery.

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Katelyn (55 kg) is practicing a drop jump in the biomechanics lab. She steps off a plyometrics box, lands on the force plate, an

suter [353]

Answer:

J = 357.5 kg*m/s

Explanation:

The impulse exerted on Katelyn when she was on the force plate, is equal to the change in her momentum, according to Newton's 2nd Law.
Assuming as the positive direction the upward direction (coincident with the positive y-axis) we can express the initial momentum as follows:

$p_{o} = m*v_{o} = 55 kg * (-3.0 m/s) (1)$

By the same token, the final momentum is as follows:

$p_{f} = m*v_{f} = 55 kg * (3.5 m/s) (2)$

As we have already said, the impulse J is just equal to the change in momentum, i.e., the difference between (2) and (1):

$J = p_{f} - p_{o} = m* (v_{f} -v_{o}) = 55 kg* (3.5m/s- (-3.0m/s)) = 357.5 kg*m/s (3)$

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3 years ago

A boat is traveling at a speed of 36 km/h. It has to travel a distance of 210 km. How long will it take?

oksian1 [2.3K]

Answer:

If the boat is going 36 km/h, then it will take about 5.8 hours to travel a distance of 210 km/h.

Explanation:

To calculate time, you have to divide the distance by the speed.

In this case, we take 210 and divide it by 36. The answer you will get is 5.83...

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3 years ago

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What happens when the moon travels between the earth and the sun, causing the sun to become obscured from view?

nadya68 [22]

<span>This is known as a "solar eclipse." The Moon partially or completely covers the Sun, leading to a rapidly moving shadow across the sunlit face of the Earth.</span>

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4 years ago

Suppose the electric field in some region is found to be E = kr3 ˆr, in spherical coordinates (k is some constant). (a) Find the

Assoli18 [71]

Answer:

Part a)

$\rho = 3\epsilon_0 k r^2$