A small, 3 kg weight is moved from 5 m from the ground to 8 m. What is the change in potential energy?

Which of the following are forms of asexual reproduction? Check all that apply.

Does a 12 hour time difference mean you are on the other half of the earth

What is the wavelength of a wave that has a speed of 350 meters/second and a frequency of 140 hertz?

a man has five 60w bulb and a 240w water heater in his apartment. if the bulb and water heater are switched on for four hours daily and the cost of electricity is $1.50 per kwh. calculate his bill for 30days.

As planets move toward the sun, they tend to: A. move at constant speed B. speed up C. burn up D. slow down

J. J. Thomsons experiments provided evidence that an atom

How does our sun differ from most other main sequence stars?

A large body of air hats has similar properties of a temperature and moisture is a

An ice rink is 200 feet long and 85 feet wide. The four corners of the rink are rounded to a radius of 24 feet. What is the surface area of the rink? Round the answer to the nearest square foot.

Which statement is correct about gasoline when it is burned? Heat energy is created by the gasoline. The total energy of the gasoline decreases. Chemical energy in the gasoline is destroyed. Chemical energy is transformed into heat energy.