Describe the earth's rotation on it axis

Manufacturing Plant Power A manufacturing plant uses 2.36 kW of electric power provided by a 50.0 Hz ac generator with an rms voltage of 500 V. The plant uses this power to run a number of high-inductance electric motors.

A 1500 kg car traveling at 15.0 m/s to the south collides with a 4500 kg truck that is at rest at a stopligt. The car comes to a stop but imparts all it's mometum to the truck.

Which is the best example of force acting in the same direction

A neutral metal comb is held near an object with a negative charge. What happens to the comb? A. The comb is charged by contact. B. The comb is charged by friction. C. The comb is charged by static discharge. D. The comb is charged by induction.

An electromagnet is ___ a. a permanent magnet b. made with bar magnets c. attracts all metal substances d. only operating when the current is on

You pull a simple pendulum of length 0.225m to the side through an angle of 3.50∘ and release it. Part A How much time does it take the pendulum bob to reach its highest speed? Take free fall acceleration to be 9.80 m/s^2.

At a soccer practice, the players run sprints. They start at the goal, run 10 m toward the center of the field and then run back to the goal. Then they run 20 m toward the center of the field and back to the goal.

15. A girl pushes a box that has a mass of 85 kg up an incline. If the giri exerts a force of 200 N along the incline what is the mechanical advantage of the incline?

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