T or f : static electricity constantly flows in the same direction

Two astronauts, one of mass 60 kg and the other 90 kg, are initially at rest together in outer space. they then push each other apart. how far apart are they when the lighter astronaut has moved 15 m?

Why there is only 0.1% of the energy remaining at the 4th level of the pyramid of energy

Formular for calculating resistors in parallel

Find the magnitude of the force that the elbow joint exerts on the forearm.

A 100 g ball and a 50 g ball are dropped from a tower. Both balls are the same size and there is no air resistance. Which answer best describes how they fall? The 100 g ball hits the ground first. Both balls hit the ground at the same time.

Which type of energy is stored energy? A. Potential B. Kinetic C. Magnetic D. Mechanical

Which of these situations would NOT qualify as a perfectly inelastic collision? A. A frog that jumps onto and sits on a lily pad. B. A bowling ball that knocks pins out of its way as it rolls down a lane C.

Give an example for each of the following situations: 1) Negative acceleration, but positive velocity 2) Positive acceleration and positive velocity 3) Positive acceleration, but negative velocity 4) Negative acceleration and negative velocity 5)

A - 1.12 μC charge is placed at the center of a conducting spherical shell, and a total charge of + 8.65 μC is placed on the shell itself. Calculate the total charge on the outer surface of the conductor.

Jason is taking a physical exam and has to do push ups for sixty seconds. He does 30 pushups in the sixty seconds. Each push up takes two seconds to complete. Two seconds represents ...