A professional baseball player can pitch a baseball with a velocity of 44.7 m/s towards home plate. If a baseball weighs 1.4 N, how much momentum does it have when it hits the catcher’s mitt?

What are the theoretical properties of a gas at a temperature of 0 kelvin?

You are traveling in a car going at a constant speed of 100km/h down a long, straight highway. you pass another car going in the same direction which is traveling at a constant speed of 80km/h. as measured from your car's reference frame this other car is traveling at −20km/h. what is the acceleration of your car as measured from the other car's reference frame? what is the acceleration of the other car as measured from your car's reference frame?

Which statement is best supported by the information in the chart? wave y is moving the fastest. wave x is moving the fastest. all of the waves are moving at the same speed. all of the waves have the same value of wavelengths per second.