A 2 kg box slides down a distance of two meters before it reaches the ground. The ramp has an angle of 30. The coefficient of Kinetic fiction for the ramp is 0.1 What is the work done by the gravity on the box?​

Aman pushes on a trunk with a force of 250 newtons. the trunk does not move. how much positive work is done on the trunk? 0.0 j -250 j 250 j 125 j

Which statement best describes the superposition principle? a.) if two in-phase waves arrive simultaneously at a point, their amplitudes add up b.) if two out-of-phase waves arrive simultaneously at a point, their amplitudes add up c.) if two in-phase waves arrive at a point one after another, their amplitudes add up d.) if two out-of-phase waves arrive at a point one after another, their amplitudes adds up

The built in flash in a compact camera is usally capable of giving correct exsposure for distance up to how many meters?