Question

how much momentum will an object of mass 12kg transfer to the floor if it falls from a height of 0.8m(a=10m/s2)

Answer 1

Answer:

48 kgm/s

Explanation:

u = 0

v = ?

s = 0.8m

a = 10m/s²

v² - u² = 2as

v² - 0 = 2×10×0.8 = 16

v = √16 = 4m/s

Momentum = mv = 12×4 = 48kgm/s