a disk of a radius 50 cm rotates at a constant rate of 100 rpm. what distance in meters will a point on the outside rim travel d
1 answer:
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The work done by a force when moving an object is given by:
where W is the work, F is the force and d the displacement of the object.
Therefore, using
and 
, we get a total work of
where W is the work, F is the force and d the displacement of the object.
Therefore, using
The potential energy on the moon would be 1/6 of the potential energy on Earth
Explanation:
The potential energy of an object is the energy possessed by the object due to its position in a gravitational field, and it is given by
where
m is the mass of the object
g is the strength of the gravitational field
h is the height of the object above the ground
In this problem, the potential energy of the object on the Earth is
On the Moon, the gravity is
Therefore, if the same object (same mass) is placed at the same height on the Moon, its potential energy would be
Learn more about potential energy:
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