A5.00 kilogram block slides along a horizontal, frictionless surface at 10.0 meters per second. for 4.00 seconds. the magnitude of the blocks momentum is ?
a)200 kg m/s
b)50.0 kg m/s
c)20.0 kg m/s
d)12.5 kg m/s

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?