What are a) free fall b) acceleration c) escape velocity D) centripetal force
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a). When a body falls from a certain height without any force except gravitational force...that fall is known as free fall..
b). acceleration is the rate of change of velocity of an object with respect to time.
c). escape velocity is the minimum speed needed for an object to escape from the gravitational influence of a massive body
d)A centripetal force is a net force that acts on an object to keep it moving along a circular path. ... The tension force in the string of a swinging tethered ball and the gravitational force keeping a satellite in orbit are both examples of centripetal forces.
b). acceleration is the rate of change of velocity of an object with respect to time.
c). escape velocity is the minimum speed needed for an object to escape from the gravitational influence of a massive body
d)A centripetal force is a net force that acts on an object to keep it moving along a circular path. ... The tension force in the string of a swinging tethered ball and the gravitational force keeping a satellite in orbit are both examples of centripetal forces.
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