The motion of the ice cube: falling. it falls because you move it with force and drop it that makes it fall.
Answer:
a) 3 * 10^9 ms
b) 1.6 * 10^-9 gm
c) 6.4 * 10^6 m
d) 5.48 * 10^5 s
Explanation:
Scientific notation is always written in [number from 0-10] (multiplied by) [10] raised to the power 'n'
To calculate that, we'd need to know the coefficient of static friction between the block and the surface, which you haven't told us.
