If the moon is new as seen from the earth, what phase would the earth be in as seen by an astronaut on the moon? explain your re
1 answer:
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Answer:
follows are the responses to the given question:
Explanation:
The kinetic energy of every object moving. any entity lifted against the strength of gravity stores elastic potential of gravity.
Its total power of an independent device stays constant underneath the Mass conservation on Energy and it is, the kinetic energy plus potential energy is just like a fixed . So, if KE improves, it is valid that PE declines.
If the PE is now at least then KE has been at the highest. It is also valid that KE is reduced as PE is increased as well as the maximum PE, the minimum KE.
Assuming north as positive direction, the initial and final velocities of the ball are:
(with negative sign since it is due south)
the time taken is
, so the average acceleration of the ball is given by
And the positive sign tells us the direction of the acceleration is north.
the time taken is
And the positive sign tells us the direction of the acceleration is north.
Answer:9.75 m/s
Explanation:
Given
Length of ladder
Foot the ladder is moving away with speed of
From diagram
------1
at
Now differentiating equation 1 w.r.t time
negative indicates distance is decreasing with time
