A stunt car with a mass of 1000 kg crashes into a tree on a movie set during the collision acceleration of the car with 3 m what was the force of impact of the collision on the car

What percentage of your body is made from water

What is an example of a screw used around the house

A flask containing argon gas is connected to an closed-ended mercury manometer. The closed end is under vacuum. If the mercury level in the closed arm is 230. mm above that in the arm connected to the flask, what is the argon pressure, in torr?

A lab cart with a mass of 15 kg is moving with constant velocity, v, along a straight horizontal track. A student drops a 2 kg mass into it from directly above, and the cart continues moving.

17. The radiometric dating of an igneous rock provides the date the rock was eroded the relative age of the rock the date of Earth's formation the date of the rock's formation

What type of changes does erosion cause? A physical B chemical C electrical D magnetic

Which of the following will exert a force on a magnet? another magnet a nearby piece of glass a nearby piece of plastic a nearby electric current

The rate at which light energy is radiated from a source is measured in which of the following units? A. Lumen B. Candela C. Lux D. Angstrom

Which type of energy makes up most of the internal energy of a solid substance? A. Kinetic energy from translation B. Kinetic energy from rotation C. Kinetic energy from vibration D. Potential energy from intermolecular forces

An archer pulls her bowstring back 0.376 m by exerting a force that increases uniformly from zero to 251 N. (a) What is the equivalent spring constant of the bow? N/m (b) How much work does the archer do on the string in drawing the bow? J