A 2,511 kg railroad car moving at 4.192 m/s to the east collides with a 8,199 kg railroad car moving at 3.781 m/s to the west. If the cars couple together, what is their velocity after the collision?

Identify the generic outer electron configuration for the halogens.

Which type of element has the following general properties: solid at room temperature, high luster, good conductor of heat and electricity, malleable and ductile?

In the vector addition lab, the following data was collected for determining the displacement from the door of the physics classroom to another location in the building: 2.0 m, West 22.0 m, South 25.0 m, East 9.0 m, North 4.

True or False: When describing motion, there is no need to include the direction of motion.

How do I obtain the poon?

Why does ice generally have very little friction when it is in contact with other materials?

A stationary speed gun emits a microwave beam at 2.10*10^10Hz. It reflects off a car and returns 1030 Hz higher. What is the speed of the car?

Discuss the changes in potential energy and kinetic energy and total energy for skateboarder going up and down on a half pipe ramp

The diagram below shows rock is affected when water enters cracks in rock, freezes and becomes ice

A vertical piston-cylinder device contains a gas at a pressure of 100 kPa. The piston has a mass of 5 kg and a diameter of 12 cm. Pressure of the gas is to be increased by placing some weights on the piston.