A student pulls a box across a horizontal floor at a constant speed of 4.0 meters per second by exerting a constant horizontal f
2 answers:
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Answer:
The value is
Explanation:
From the question we are told that
The distance of friends house from your point is
The distance of your friends street from your street is
The diagram illustrating this question is shown on the first uploaded image
From the diagram we can apply by Pythagoras theorem as follows
=>
=>
=>
Answer:
Explanation:
The angular momentum of the pulsar is given by:
where
is the mass of the pulsar
is the radius
is the angular speed
Given the period of the pulsar, , the angular speed is given by
And so, the angular momentum is