When two identical balls b1 and b2 which have equal masses are moving with velocities V and 2V respectively, the ratio of inertia and momentum of b1 to b2 are:- a.) 2:1 and 1:2
b.) 1:1 and 1:2
c.) 1:1 and 1:1
d.) 1:1 and 2:1

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Astone is dropped with no initial velocity from the top of a cliff and hits the ground a time of 3.9 s later. what is the height of the cliff, in units of meters? you may assume that air resistance is negligible. give the answer as a positive number question 15 a figure skater is rotating at a rate of 200 revolutions per minute. what is the angular speed, in units of rad/s? 200 o 20.9 12000 o 3.33

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