Can anyone help me please I’m not sure if I’m correct picture is above

When objects are charged by they do not need to touch each other. a. friction b. induction c. conduction d. all of these

When the force acting on an object points at least partially in the direction of the motion the work done is considered to be negative

14. a body is projected with velocity vi from a.at the same time another body is projectedvertically upwards from point b withvelocity v2 lies vertically below the highestpoint. both the bodies collide thenv2÷v1is