As a ball falls freely toward the ground, its total

mechanical energy

(1) decreases

(2) increases

(3) remains the same

A ballistics test involves firing a 10.0g bullet horizontally into a 1.50kg wood block that is initially at rest. The bullet becomes lodged in the block, and you determine that they move together at a speed of 5.00m/s.

Is the answer D? A skydiver is accelerating downwards as he falls. Earth is pulling him down with a gravitational force of 600 N downward, while he pulls the Earth upward with a force of 600 N.

11. You want to calculate the displacement of an object thrown over a bridge. Using - 10 m/s2 for acceleration due to gravity, what would be the total displacement of the object if it took 8 seconds before hitting the water?

Convert 50 Liters into gallons

A cloud type that usually produces precipitation is a (n)

Explain the relationship between motion and frame of reference.

Two students are looking at a brightly lit full Moon, illuminated by the reflected light from the Sun. Consider thefollowing discussion between the two students about what the spectrum of moonlight would look like.

When performing a battery load test, what should the load be set to?

If you push on a wall of a building what will happen

A conductor, with outer surface labelled a, contains a cavity, inner surface b. In this cavity there is a conducting sphere of radius r, and surface c. The sphere carries a charge of 1 C, while the conductor a charge of 2 C.