Question

Bill has a mass of 123 kg and is skating west. He increases his speed from 1

m/s to 4 m/s by applying a force for 5 seconds. What force did he apply?
O A. 73.8 N
O B. 24.6 N
O C. 98.4 N
O D. 113 N

Answer 1

A. 73.8 N

Step-by-step explanation:

F(deltaT) = mv2 - mv1

F(5) = (123)(4) - (123)(1)

F(5) = 369

369/5 = 73.8 N

Answer 2

73.8

Step-by-step explanation: