Question

A particle was at rest from 1 a.m. it move at a uniform speed 50 km/hr from 1:30 a.m. to 2:00 a.m. Find the average speed between 1:00 a.m. and 2:00 a.m. and 1:15 a.m and 2:00 a.m. and 1:30 a.m and 2:00 a.m

Answer 1

as it 's been said that the particle was at rest from 1: 00a. m so that it's average speed is= uniform speed/ time taken= 50