How much voltage is required to make 4 amperes flow through a resistance of 20 ohms?

what is the minimum speed that evil knevil must mantain on his motorcycle in order to make it around the loop-de-loop at ceasar's palace if together he and his bike weigh 3050n and the radius of the track is 25m

Old naval ships fired 14 kg cannon balls from a 250 kg cannon. It was very important to stop the recoil of the cannon, since otherwise the heavy cannon would go careening across the deck of the ship.

A water wave has a wavelength of 204 m and a frequency of 0.5 Hz. How far does it travel in 1 s?

6. A skier starts from rest at the top of a frictionless incline of height 20.0 m. At of the incline, the skier encounters a horizontal surface where the coefficient of friction between skis and snow is 0.210. a. Find the skier's speed at the bottom.

what does the density of an object tell you about the molecular arrangement of the atoms in an object

What conditions are required for nuclear fusion that prevent it from being used to generate electric energy?

What conditions in the nucleus are likely to result in the nucleus breaking apart? A. When the repulsion of the strong force is weaker than the repulsion of the electrostatic force B.

What color do you see when all colors of light are reflected

A ball is thrown with a velocity of 20 m/s at an angle of 60 degrees above the horizontal. What is the horizontal component of its instantaneous velocity at the the exact top of its trajectory?

You pull on a wagon resting on the sidewalk. What will happen next. A. The wagon does not move because the wagon applies more force to you than you apply to the wagon. B. The wagon moves because you apply more friction to the ground. C.