What is the wave speed of a wave that has frequency of 100 Hz and a wavelength of 0.30 m?

How many objects to Newton's first and second laws deal with

Explain why liquid water takes the shape of its container but an ice cube does not.

A runner makes one lap around a 200m track of 25s. What were the runners average speed and average velocity?

Four identical 2500 kg objects are at the corners of a square with 12m side what is the distance between A and B

Edgar is walking 0.5 M/S toward the back of a train that is traveling forward at 6.0 M/S west. What is Edgars velocity relative to the ground?

A ball hits a wall. What is true about the magnitude of the force experienced by the ball compared with the force experienced by the wall? OA. The ball experiences more force than the wall. OB. The ball experiences less force than the wall.

A swimmer jumps from a waterfall thats is 8.5 m high from the lake below. How fast must he run horizontally to dive 2.5m away from the base of the waterfall?

What happens (as far as energy goes) when a molecule of gas strikes the wall of a container?

The boom of a fire truck raises a fireman (and his equipment - total weight 280 lbf) 60 ft into the air to fight a building fire.

Two masses are separated by 1 m. suppose the masses are moved so they are 2 m apart how will the gravitational force change