The nucleus of an ordinary hydrogen atom consists of what

Jenny is sitting on a sled on the side of a hill inclined at 15°. What force is required to keep the sled from sliding down the hill if the combined weight of Jenny and the sled is 90 pounds?

In an 8.00 km race, one runner runs at a steady 11.1 km/h and another runs at 14.0 km/h. How far from the finish line is the slower runner when the faster runner finishes the race?

What is the example and a non-example of compression and what are characteristics of it?

If x=450 mm, determine the mass of the counterweight s required to balance a 90-kg load, l.

A wave has a frequency of 900 Hz and a wavelength of 200 m. at what speed is the wave traveling

Which are examples of transverse waves? Check all that apply. earthquake P-waves earthquake S-waves radio waves sound visible light X-rays

To lift a car, you use a hydraulic lift filled with a fluid that has density of 1 1200 kg/m3. The radius of one half of the lift is 0.5 meters and the diameter of the other half of the lift is 2.5 meters.

Charlie runs an auto repair and mechanic shop. A hot rod has come in with mass 1500 kg requiring a repair. He needs to raise the car using a hydraulic lift on a piston (Piston A) having a radius of 25 cm.

What does 4_2 helium means

The type of energy transferred by a wave in a medium is energy