Question

A particle is moving along a straight line with different velocities 20 kilometres per hour in 5 seconds 40 km per hour in 10 seconds 60 km per hour in 15 seconds then its average velocity will be
A)46.6kmph
B)36.6kmph
C)52.5kmph​

Answer 1

Answer:

Here's your answer

answer to the question is (A)