A ring made of gold is heated and then hammered into a flat, coin-like shape. Is this a physical change? Explain.

If a certain gas occupies a volume of 12 l when the applied pressure is 6.0 atm, find the pressure when the gas occupies a volume of 3.0 l.

A 1.5 kg cart traveling at 1.2 m/s hits and bounces off a 0.75 kg cart that was at rest. The 0.75 kg cart moves forward at 2.0 m/s. How fast does the first cart end up going?

Meteorite On October 9, 1992, a 27-pound meteorite struck a car in Peekskill, NY, creating a dent about 22 cm deep.

What is the magnetic force acting on an electron if its speed is 3.0 * 106 meters/second and the direction is perpendicular to a magnetic field of 0.020 teslas? The value of q = - 1.6 * 10-19 coulombs.

Which example gives all the necessary information to describe motion scientifically 1. The batter hit the ball into the stands at 90 m/s 2. A fan watched the length of the 130-m field for his favorite player 3.

A cartoon plane with four engines can accelerate at 8.9 meters per second squared

Convert 1087 ft/s to mi/hr

Using the atomic symbol above report how many protons, neutron, and electrons an atom of neon contains.

Which of the following is not shorthand to describe one of the three types of ecological relationships? +/+ -/+ +/0 -/0

Which is a characteristic of an electromagnetic wave?