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krok68 [10]
3 years ago
14

What is the momentum of an 18-kg object moving at 0.5 m/s?

Physics
1 answer:
Otrada [13]3 years ago
6 0

sorry Idk the answer ..???

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A train rolls to a stop along a horizontal track without the conductor applying the brakes. What answer choice BEST explains why
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How many times higher could an astronaut jump on the Moon than on Earth if his takeoff speed is the same in both locations (grav
JulsSmile [24]

Answer:

maximum height on moon is 6 times more than the maximum height on Earth

Explanation:

Let the Astronaut has its maximum speed by which he can jump is "v"

now for the maximum height that it can jump is given as

v_f^2 - v_i^2 = 2 aH

now from above equation we will have

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now we have

H = \frac{v^2}{2g}

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then we know that the acceleration of gravity on surface of moon is 1/6 times the gravity on earth

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now we have

H = \frac{6v^2}{2g}

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8 0
2 years ago
Allison wants to determine the density of a bouncing ball. which metric measurements must she use?
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What force must act on a 50.0-kg mass to give it an ancceleration of 0.30 m/s^2?
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