A particle moves along the x axis. Its position as function of time is given by x=6.8t+8.5t^2, where t is in seconds and x is in meters. What is the acceleration as a function of time?

At a constant temperature, the volume of a gas doubles when the pressure is reduced to half of its original value. This is a statement of which gas law?

Two similar gold spheres both have a charge of q. The centers of the spheres are separated by a distance of r. Which of the following would result on the spheres if you multiplied Force (F) by two? A.

Three asteroids have exactly the same amount of mass. The distance from asteroid A to asteroid B is 300 km, the distance from asteroid B to C is 400 km, and the distance from C to A is 100 km.

You push a table 8 meters for 16 minuutes and do 6720 j of work how much power do ypu use

What must happen for an ion To form

Match these terms with their definitions: 1. unit of electrical resistance ampere 2. unit of electromotive force or electrical potential ohm 3. unit for measuring the strength of an electric current volt 4. unit of electrical power watt

In which is momentum conserved: an elastic collision or an inelastic collision?

List the types of radiation in order from least to most damaging.

Which of the following statements best describes the current state of understanding regarding the apparent acceleration of the expansion of the universe?

Should young people be allowed to do extreme sports? (give me two reasons why) 1. Opinion: 2. Reason why: 3. Reason why: