Six seconds after starting from rest, a car is moving at 15 m/s. What is the car's
1 answer:
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Answer:
Explanation:
According to Newton 2nd law of motion: F = ma where m is the mass of the moon and a is the centripetal acceleration of the gravitational force.
Also Gravitational force formula
where G is the gravitational force, ME is the mass of Earth and S is the mean distance between Earth and Moon.
As the moon is at constant circular motion around Earth, there forces balance out:
We can now substitute and
and
Answer:
<h2>0.5 kg</h2>Explanation:
The mass of the object can be found by using the formula
p is the momentum
v is the velocity
From the question we have
We have the final answer as
<h3>0.5 kg</h3>Hope this helps you