The Speed of a 2 $\degree$ What Is the Magnitude of the Average Total Force Acting

Multiple Choice

The speed of a 2.0-kg object changes from 30 m/s to 40 m/s during a 5.0-s time interval.During this same time interval,the velocity of the object changes its direction by 90 $\degree$ .What is the magnitude of the average total force acting on the object during this time interval?

A) 30 N
B) 20 N
C) 40 N
D) 50 N
E) 6.0 N