A girl with mass 13 kg starts at the top of a 2.6 m high playground slide which is inclined at an angle of 280 . She then slides down and reaches the bottom of the slide with a speed of 1.1 m/s. How much mechanical energy was lost by friction

What happens when chlorine reacts with bromine? a. electrons move from the chlorine atoms to the bromine atoms. b. electrons move from the bromine atoms to the chlorine atoms. c. electrons are shared between the chlorine atoms and the bromine atoms. d. electrons become delocalized among the atoms.

According to newtons universal law of gravitation, which would change the parh of the ball so it traces out widest curved path possible?

Considering only the earth's rotation, determine how much later the asteroid would have had to arrive to put the explosion above helsinki at longitude 25˚ e? this would have obliterated the city.