10. How is the charge on a charged object maintained?

A horse runs around a circular track that is 350.0 m long. He runs clockwise from the start line back to the start line, then turns back and goes counterclockwise back to the start line again. What is the horses displacement? A. 0 m B. 300.

Two car horns are sounded creating two sound waves with frequencies that differ by a factor of three. How does the speed of the higher frequency sound wave compare to the lower frequency sound wave?

An object is moved from a room at a temperature of 70 ºF to a room at a temperature of 90 º F. What happens to the object when it's placed in the room with a higher temperature?

What quantity is represented by a unit called newton (N) ?

Scientists have observed that the average sunspots have increased in the last 50 years. Which of these statements best describes an effect of this increase in sunspots? A) Earth's temperature has become cooler.

What is the maximum angle a light ray can make with the wall of the core if it is to remain inside the fiber?

Heat transfer within a fluid takes place by a. convection currents. b. radiation. c. conduction. d. density. I think it's A

Compare and contrast how wind and glaciers abrade rock

An object of mass 10 kg is accelerated upward at 2 m/s squared. what force is required?

How much work does a supermarket checkout attendant do on a can of soup he pushes 0.600 m horizontally with a force of 5.00 N? Express your answer in joules and kilocalories.