force of 50 N is applied to a 100 kg boulder, which starts at rest and moves 5.5 meters accross a level frictionless cliffside that is 12 meters high. How fast is the boulder moving when it leaves the cliff?

Why do metals conduct electricity? A. Because the electrons in metals stay closer to the nuclei of the atoms B. Because all lattices conduct electricity C. Because the electrons in metals can move around a lattice of atoms D.

Which of the following items are NOT used to create an electric motor? A. Magnets B. Electric Current C. Turbines D. Copper Wire

Why hot air balloon rises up in air n large ships Floyd in water

if the volume of a scuba tank filled with air remains constant and its temperature goes down, what happens to its pressure?

Calculate the electric potential energy in a capacitor that stores 4.0 10-10 C of charge at 250.0 V

If a chromosome on unfolds itself how is transcription enhanced

Two friends, barbara and neil, are out rollerblading. with respect to the ground, barbara is skating due south at a speed of 5.9 m/s. neil is in front of her. with respect to the ground, neil is skating due west at a speed of 1.4 m/s.

What process is used when the sun transfers light to plants A. conduction B. radiation C. convection D. all of these

Which wave characteristic has the unit hertz

A stretched spring has 5184 J of elastic potential energy and a spring constant of 16,200 N/m. What is the displacement of the spring?