A particle moves in a straight line such that its velocity increases at 5 s⁻¹ per metre. Find its acceleration, in m s⁻², at a point where its velocity is 20 m s⁻¹.
Physics · Kinematics Part-1 (one dimension) · Acceleration and Avg acceleration
JEE Mains

Question

A particle moves in a straight line such that its velocity increases at 5 s⁻¹ per metre. Find its acceleration, in m s⁻², at a point where its velocity is 20 m s⁻¹.

G1 Physics · Accepted Answer

Given dv/dx=5 s⁻¹. Acceleration a=v dv/dx=20×5=100 m s⁻². Answer =100.