Block A of mass 2.0kg is released from rest at the top of a 3.6m long plane inclined at an angle of 30 degrees. After sliding down the ramp, block a hits block b while at rest and weighs 3.0kg. What is the spped of the velocity after the collision.

Wavelength,frequency,and energy are related.what happens to a wave as it’s wavelength gets shorter?

Aball with a mass of 275 g is dropped from rest, hits the floor and rebounds upward. if the ball hits the floor with a speed of 2.40 m/s and rebounds with a speed of 1.70 m/s, determine the following. (a) magnitude of the change in the ball's momentum (let up be in the positive direction.)

Two students, each riding bicycles, start from the same apartment building and ride to the same building on campus, but each takes a different route. the first student rides 1100 m due east and then turns due north and travels another 1430 m before arriving at the destination. the second student heads due north for 1930 m and then turns and heads directly toward the destination.at the turning point, how far is the second student from the destination?