What happens to mechanical energy if the potential energy of an object decreases?

A. Mechanical energy decreases. B. Mechanical energy increases.

C. Mechanical energy increases and then decreases. D. Mechanical energy remains unchanged.

A person is walking in a straight line for 10 s. The person has an initial position that is negative with respect to a chosen origin, and their velocity is also negative during the entire 10 s.

As the current in a coil of wire increased, the magnetic field strength what?

On earth, what is a child's mass if the force of gravity on the child's body is 100 N

Why do you think baseball in referred as "America's past time" A) because it's enormous popularity as a spectator sport B) because the founding fathers liked to play C) Becouse Americans would rather play baseball then work D) none of the above

What animals do u see?

Norma kicks a soccer ball with an initial velocity of 10.0 meters per second at an angle of 30.0% if the ball moves though the air for 3.2 seconds what's the horizontal distance traveled by the ball

Suppose s (t) is the position of an object moving along a line at time t is greater than or equal to 0. What is the average velocity between the times t=a and t=b? What is the instantaneous velocity at t=a?

Estimate how long it would take one person to mow a football field using an ordinary home lawn mower. suppose that the mower moves with a 1-km/h speed, has a 0.5-m width, and a field is 360 ft long and 160 ft wide. 1 m = 3.281 ft.

Badri makes the table below to review the factors that affect the electric force between objects. Which change will correct the error in Badri's table?

A star with the same mass of the sun has a newly discovered planet whose semi-major axis of 2.48 au and an eccentricity of 0.08. what is the aphelion distance of the new planet