What happens to the motion of an object when the forces acting on it are balanced? A. The motion changes. B. The motion does not change. C. The motion speeds up. D. The motion slows down.

Adding a ___ to an electric circuit would increase the magnetic field around a wire

Explain why the inevitable conversion of energy to less useful forms should guide us to conserve energy resources and develop more renewable energy sources.

What are the 4 significant figures of 31,546,000?

An object accelerates at 2.0 m/s2 when a force of 12 N is applied. What is the mass of the object?

On a hot summer day a young girl swings on a rope above the local swimming hole. when she lets go of the rope her initial velocity is 2.25 m/s at an angle of 35.0° above the horizontal. if she is in flight for 1.

What does the ozone layer absorb? a. Microwaves c. UV radiation b. X-rays d. Infra-red radiation

An object is undergoing shm with period 0.900 s and amplitude 0.320 m. at t = 0 the object is at x = 0.320 m and is instantaneously at rest. calculate the time it takes the object to go (a) from x = 0.320 m to x = 0.160 m and (b) from x = 0.

Your friend states in a report that the average time required to circle a 1.0-mi track was 49.325 s. This was measured by timing 10 laps using a stopwatch with a precision of 0.01 s. Do you believe his results are reliable? Explain.

The forklift exerts a 300.0 N force on the box and moves it 15.0 m into the air. How much work does the forklift do? A. 500 J B. 1.50 * 10^3 J C. 4.50 * 10^3 J D. 0.00 J

Why the room gets hot even we open the door of refrigerator?