Answer: 3.906kg
Step-by-step explanation:
K.E = 2000J
V = 32m/s
m =?
K.E = 1/2MV2
2000 = 1/2M x (32^2)
2000 = 1/2M x 1024
2000 = 512M
M = 2000/512
M = 3.906kg
5.3m questions
6.9m answers