1. Explain why when objects become charged it is elec-
trons that are transferred from one object to another
rather than protons.

Which best represents the law of conservation of mass ?

The dot diagram represents the motion of the motorcycle as it moves from left to right

Steelhead trout migrate up stream to spawn.occasionally they need to leap up small waterfalls to continue their journey. fortunately, steelhead are remarkable jumpers, capable of leaving the water at a speed of 8.0 m/s. a. what is the maximum height a steelhead trout can jump? b.leaving the water at 8.0 m/s, the trout lands on top of the water fall 1.8 m high. how long was it in the air?