What instrument is used to measure the average kinetic energy in a substance? calorimeter thermometer spectroscope voltmeter?

A driver, traveling at 22.0 m/s, slows down her 2.00 x 103 kg car to stop for a red light. What work is done by the friction force against the wheels?

A 30.0 kg object rests on a flat, frictionless surface. A rope lifts up on the object with a force of 309 N. What is the acceleration of the object?

A material that can be hit without shattering is? viscous, flammable, hard, malleable

You are given two objects of identical size, one made of aluminum and the other of lead. You hang each object separately from a spring balance. Because lead is denser than aluminum, the lead object weighs more.

What does Einstein's equation E = mc2 explain? A. That a decrease of mass in the nucleus is what provides the energy to hold the nucleus together B. Why energy is force acting over a distance C.

When describing how power and work are similar you would want to mention that

Define newton's first law and provide an example

Biomes on Earth have exhibited changes throughout history that have been caused by a variety of factors. Over the past 50 years, the amount of tropical rainforest acreage found throughout the world has decreased from 14.8 billion acres to 8.

Three pithballs are suspended from thin threads. Various objects are then rubbed against other objects (nylon against silk, glass against polyester, etc.

Which of The following are classiFcatons describing how rock and oTher maTerial movedownslope? a. Fall, b. slide, c. slump, d. creep, e. fow