A 1-kg car and a 2-kg car are both released from the top of the same hill and roll down a frictionless track. At the bottom of the hill, which car will have the greater speed? Which car will have the greater kinetic energy?

An example of a constant acceleration is

As a train accelerates uniformly, it passes successive 5-kilometer markers while traveling at velocities 10 m/s and 25 m/s. what is the velocity in km/h when it passes the next marker? round to nearest tenth of a km/h.

Starting from rest, a basketball rolls from top of a hill to the bottom, reaching a translational speed of 6.8 m/s. Ignore frictional force losses. a. What is the height of the hill? b.

What is the current through a wire if 240 coulombs of charge pass through the wire in 2.0 minutes?

How many lateral faces does a prism have if the base of the prism is an n-gon?

Molecular motion is a measure of the movement of the molecules in a substance molecule motion is substantially different between different states of matter for example the molecules in a more than the molecules in a

A radio telescope is used to study radio waves that come from stars and galaxies. What type of wave is a radio wave?

Review the following observations: Substance A changes a solution to green when mixed with Bromothymol blue indicator. Substance B changes a solution of red onion water to green. Substance C changes Turmeric water orange.

A tube with a cap on one end, but open at the other end, has a fundamental frequency of 129.5 Hz. The speed of sound is 343 m/s. (a) If the cap is removed, what is the new fundamental frequency of the tube? (b) How long is the tube?

When Dr. Hewitt immerses an object in water the second time and catches the water that is displaced by the object, how does the weight lost by the object compare to the weight of the water displaced?