A motorcycle, a car, a bicycle and a truck are moving at the same speed. which one has the gratest amout of kinetic energy?

What is the mass of an object that has a density of 0.7 g/cm3 and a volume of 8 cm3? (The density of an object has the equation d=.)

Which of these signs is an example of a highway construction and maintenance sign

Which of these is most likely to lead directly to a black market? a. a supply shock c. rationing b. a price floor d. equilibrium

The difference between red light and blue light is Wave Speed Amplitude Wavelength

Galileo first proposed the heliocentric model of the solar system

A lightning bolt carrying 30,000 A lasts for 50 micro-seconds. If the lightning strikes an airplane flying at 20,000 feet, what is the charge deposited on the plane?

David walks 3 km north, and then turns east and walks 4 km

In a Millikan oil-drop experiment, the charges on several different oil drops were as follows: - 5.92; - 4.44; - 2.96; - 8.88. The units are arbitrary.

A person riding on the roof of a freight train throws a ball forward. (a) If we ignore air drag and relative to the ground, is the ball moving faster or slower when the train is moving than when it is standing still?

Determine which factors will increase the reaction rate and which factors will decrease te reaction rate.