True or false: the energy that is related to moving parts is called electrical energy

How strong is the Earth's gravity?

How much work is accplished when a force of 250 n pushes a box accross the floor for a distance of 50 meters

From the deepest to the surface what are the parts of the earth's interior

Which of the following happens during cell division? Question 7 options: It becomes more difficult for the cell to get rid of wastes. The cell's volume increases. It becomes more difficult for the cell to get enough oxygen and nutrients.

Two books are located 1 m above the surface of the Earth. The first has a mass of 2 kg; the second has a mass of 1 kg. Which statement about the pull of Earth's gravity is true? A.

Light incident on a surface at an angle of 45 degrees undergoes diffused reflection. At what angle will it reflect?

A ship on the surface of the ocean receives a sonar echo back from an underwater object. The echo path from the object to the ship is at an angle of 35 degrees above the horizontal and takes 3s to return. (Velocity of sound in sea water = 1500m/s).

A wave has a speed of 6 m/s and a wavelength of 12 m. What is the frequency of this wave? a. 2.0 Hz b. 0.5 Hz c. 18 Hz d. 72 Hz

What is the acceleration of a body revolving in a circle at uniform speed? A. The acceleration is zero. B. The acceleration is directed tangentially. C. The acceleration is directed toward the center. D.

What volume is occupied by 2.35 moles of he at 25 degree c and a pressure of 0.980 atm?