Which one of the following statements is NOT true of a free-falling object? An object in a state of free fall . A)falls under the sole influence of gravity.

B)falls with a acceleration of -9.8 m/s/s

C)falls with downward acceleration which has a constant magnitude.

D)falls with a constant speed of -9.8 m/s.

Compare the horizontal displacement of the two balls as they travel to the ground. what do you observe?

10 points! will mark brainiest! in a heat engine if 1,000 j of heat enters the system and the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2,000 j 1: write the equation2: list out your known variables 3: plug the numbers into the equations 4: solve 5: write your solution statement that includes initial energy and final energy added you so much!

The items in the following list are all units of matter. which is the smallest unit that retains the properties of the matter? a.) atom b.) compound c.) electron d.) element