A soccer ball is at rest. A kicker kicks the ball and it travels a distance of 80 meters in 12 seconds. What is the ball's acceleration?

Which of the following describes the measure of current? a. The quality of the charge flow b. The rate at which charge flows c. The ability for something to have a charge flow d. The potential for a charge to flow

A weather report says winds blow at 5km/h from the northeast is this description of the wind a speed or velocity? Explain your answer

Which of these are not mechanical waves and can be used to send a signal to astronauts on the moon? A) sound waves B) radio waves C) both sound waves and radio waves D) neither sound waves or radio waves

As the temperature increases the number of effective collisions between reacting particles in a chemical reaction A. initially increase, them decreases B. Decreases C. Initially decreases, then increase D. Increases only

Light-rail passenger trains that provide transportation within and between cities are capable of modest accelerations. The magnitude of the maximum acceleration is typically 1.

Which is not true of low back pain? A. Most recover in 4-6 weeks. B. It affects just less than half of all adults. C. The recurrence rate can be quite high if not treated properly. D. Disk compression is one of a few common causes.

Which color of aurora gives off higher energy light, green or red?

What happens to the volume when temperature is held constant and the pressure is increased to 125 kPa

A 1,500.0 kg car hits a brick wall with a force of 60.0 N in 1.75 seconds. What is the change in the momentum of the car?

Consider the equation 2KBr + Cl2 → KCl + Br2. What type of reaction is this?