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juin [17]
4 years ago
13

A cargo spacecraft has been launched to rendezvous with the International Space Station. The cargo ship must attain the same spe

ed as the Space Station but maintain a distance of ten yards. As they orbit together, an arm from the Space Station will reach out the the cargo ship. Which oe of the four graphs represents the speed of the two objects as the orbit Earth?
A)
A


B)
B


C)
C


D)
D
Physics
1 answer:
Charra [1.4K]4 years ago
8 0
The answer to this question is b
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A boxer punches a sheet of paper in midair and brings it from rest up to a speed of 30 m/s in 0.060 s .
zimovet [89]

Answer:

Force exerted, F = 1.5 N

Explanation:

It is given that, a boxer punches a sheet of paper in midair and brings it from rest up to a speed of 30 m/s in 0.060 s.

i.e. u = 0

v = 30 m/s

Time taken, t = 0.06 s

Mass of the paper, m = 0.003 kg

We need to find the force the boxer exert on it. The force can be calculated using second law of motion as :

F=m\times a

F=m\times (\dfrac{v-u}{t})

F=0.003\times (\dfrac{30}{0.06})

F = 1.5 N

So, the force the boxer exert on the paper is 1.5 N. Hence, this is the required solution.

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Explanation:

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