There is a bell at the top of a tower that is 45m high. The bell weighs 190N. The bell has energy. Calculate it. I NEED THE ANSWER PLEASE

Imagine that someone pushes one marble toward a motionless marble. would there still be action-reaction forces involved in the collision? how might the marbles’ motions be changed? ?

When a light bulb shines, it gives off light energy and energy. a. heat b. potential c. chemical d. electrical

According to valence bond theory, which orbitals overlap in the formation of the bond in hf according to valence bond theory, which orbitals overlap in the formation of the bond in hf 2s on h and 2p on f 1s on h and 2s on f 1s on h and 1p on f 1s on h and 2p on f 1s on h and 3p on f