A skater increases her velocity from 2.0 m/s to 10.0 m/s in 3.0 seconds. What is the skater's acceleration?

Which of the following gases is the heaviest? O2 CH4 CO2 Cl2

How is an electromagnet different from a bar magnet? Question 3 options: a. Only a bar magnet has a magnetic field. b. Only an electromagnet attracts materials made of iron. c.

A car battery has a rating of 290 ampere-hours. This rating is one indication of the total charge that the battery can provide to a circuit before failing. (a) What is the total charge (in coulombs) that this battery can provide

The motion of a planet around the sun is called

A rock is thrown upwards at 15 m/s and reaches a maximum height before it falls back to Earth. What is its velocity immediately after it reaches this maximum height? A) 0 m/s B) O m/s downwards C) 15 m/s D 9.8 m/s2

A wave with a frequency of 30 Hz has a wavelength of 40.5 m. How fast is the wave traveling?

A soccer ball is sitting in the middle of a soccer field during a game. When the referee blows his whistle, one of the players runs toward the ball and kicks it as hard as he can.

A body with v=20m/s changes its speed to 28m/s in 2sec. its acceleration will be

Charge: A piece of plastic has a net charge of + 2.00 μC. How many more protons than electrons does this piece of plastic have? (e = 1.60 * 10-19 C)

How much heat is needed to raise the temperature of 6g of water by 18oC?