Name 3 things that can be taken to reduce erosion and keep our topsoil healthy?

Cutter is a star with an apparent magnitude of - 1 and an absolute magnitude of - 5. casper is a star with an apparent magnitude of - 1 and an absolute magnitude of 0. use this information to answer the next questions.

A spring that has a spring constant of 1400 N/m is stretched to a length of 2.5 m. If the normal length of the spring is 1.0 m, how much elastic potential energy is stored in the spring?

What does mechanical wave mean?

If you throw a red stone into the blue sea what it will become?

Thermal Bimetallic strips can be found in and

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?