An observer and a vehicle both start moving together from

Last updated: 6/25/2023

An observer and a vehicle both start moving together from rest towards the right with acceleration 5 m s and 2 m s 2 respectively There is a 2 kg block on the floor of the vehicle and coefficient of friction is 0 3 between their surface Then the work done by the frictional force on the 2 kg block observed by the running observer during the first 2 seconds of the motion A 24 J B 24 J 16 J 2kg 5m s