How many days does it take to orbit the sun

Which statement best compares the momentum of a stationary truck and a car in motion? The moving car has less momentum than the stationary truck. The moving car and the stationary truck have the same momentum.

One of the purposes of an experiment is to determine whether the dependent variable affects the independent variable. T or F?

What is the difference between weight and mass?

Between which of the following surfaces with the force of friction be smallest

A 190 g rock at 20°C is completely immersed in 600 g of water at 80°C. Which one of the following statements is true right after the rock goes in? A. The water gives the rock thermal energy and gets no thermal energy in return. B.

Listening to the radio, you can hear two stations at once. Describe this wave interaction

The volume of a gas is reduced when the temperature is decreased

Describe the Dark Ages of our universe.

Two boxes, P and Q, are at rest on a frictionless horizontal surface. A light, flexible cord connects them. The mass of P is greater than the mass of Q.

Determine the velocity of a beam of electrons that goes undeflected when moving perpendicular to an electric and magnetic field. The electric field and the magnetic field are also perpendicular to each other and have magnitudes 7.7 x 10^3 V/m and 7.