A train travels 80 kilometers in 3 hours, and 84 kilometers in 2 hours. What is the average speed?

What is the momentum of a 2500-kg car traveling at 4.92 m/s?

Sound waves move through some liquid at a speed of 1500 m/s. If the wavelength is 3 m, what is the frequency of the wave?

What important discovery did physicists michael faraday and joseph henry make?

Which topic are you most likely to find in a physics textbook?

A space shuttle is in orbit about the earth at an altitude where the acceleration due to gravity is 8.70 m/s2. What is the shuttle's speed at this altitude? 2.65 * 10 3 m/s 7.45 * 10 3 m/s 7.68 * 10 3 m/s 7.91 * 10 3 m/s

Given the two sets, which statement is true? A = {1, 2} B = {1, 2, 3, 4}

The net force acting on an insect falling downward at constant velocity is

Which statement best compares the accelerations of two objects in free fall? O The heavier object has a greater acceleration.

A series RCL circuit includes a resistance of 280, an inductive reactance of 508, and a capacitive reactance of 315. The current in the circuit is 0.312 A.

A ray in benzene has a critical angle of 41.8 deg when trying to enter air. What is the index of refraction for benzene?