What is the mass of a car that weighs 19,000 N on earth?

What physical features form the boundaries of the United States?

Choose the situation below in which the force applied is the greatest. A) Steve put in 50 J of work moving a box 50 meters. B) Doing 400 J of work, Penny pushed her cat 80 meters.

A current of I = 3.8 A is passing through a conductor with cross sectional area A = 2.5 x 10^-4 m^2. The charge carriers in the conductor, electrons, have a number density n = 1.3 x 10^27 m^-3. (a) Express the drift velocity of electrons through 1.

When you drop a strong magnet through the center of a copper pipe, what happens to the copper piper and the magnet?

What is the build up of electrons on a surface

Protecting his nest, a 600-g peregrine falcon rams a marauding 1.5-kg raven in midair. the falcon is moving at 20.0 m/s, and the raven at 9.00 m/s at the moment of impact.

A carousel has a radius of 1.70 m and a moment of inertia of 110 kg · m2. A girl of mass 44.0 kg is standing at the edge of the carousel, which is rotating with an angular speed of 3.40 rad/s.

A 2kg marble is moving at 3 m/s when it strikes another 4kg marble moving in the opposite direction at - 3 m/s. What will be the velocity of the 4kg marble after the collision of the 2kg marble's new velocity is - 4 m/s.

How long did it take to reload a rifle during the 18th 19 century?

Hot spots in electronic and electric circuits can be detected visually with the use of A. dataloggers. B. thermocouples C. oscilloscopes D. infrared cameras.