A constant force acts on a body of mass 50kg and changes its speed from 20ms-1 to 90ms-1 in 10 seconds. Calculate the magnitude of the force applied.
A
590N
B
500N
C
450N
D
350N
E
180N
Verified Correct Answer: D.
Physical Principles & Numerical Solution
No expanded working has been attached for this question yet. The verified answer is Option D.
Source: Myschool Past Questions Archive (Record #43036)