As you take your leisurely tour through the solar system, you come across a 1.45 kg rock that was ejected from a collision of asteroids. your spacecraft's momentum detector shows a value of 1.93 x 108 kg. m/s for this rock. what is the rock's speed?

Awave is produced in a rope. the wave has a speed of 33 m/s and a frequency of 22 hz.

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?

Complete these sentences. if a roller coaster train has a potential energy of 1,500 j and a kinetic energy of 500 j as it starts to travel downhill, its total energy isj. once the roller coaster train gets closer to the bottom of the hill, its kinetic energy increases to 1,100 j, and its potential energy decreases to j. when the train reaches the bottom of the track and is traveling along the ground, its kinetic energy isj.