True of false. An advantage of electromagnets is they can be switched on and off.

A1kg cart slams into a stationary 1kg cart at 2 m/s. the carts stick together and move forward at a speed of 1 m/sl. determine whether kinetic energy was conserved in the collision. use the law of conservation of energy to explain the collision

Which feature of a heating curve indicates a change ofn state

Why don't you see your reflection in water with waves or repples