? Question Type the correct answer in the box. Round your answer to the nearest whole number.
Calculate the mass of the ball using PE = m*g x h. (Hint: Rearrange the formula to solve for m.)
kilograms.
A ball held 2.0 meters above the floor has 59 joules of potential energy. The ball's mass is about
(Use g = 9.8 N/kg.)

Which of the following best describes the circuit shown below?

Use the drop-down menus to answer each question. which line represents the movement of a cart with a constant acceleration? a which line represents the movement of a cart with a constant velocity? c which lines represents a cart with no velocity or acceleration? b

Ascientist is working with a new kind of quantum dot to make a dye. he is applying newton’s laws to the particle, but it seems to be breaking these laws of physics. which action will most likely the scientist study the particle’s motion? a. he needs to remember that the particle is too large for quantum analysis. b. he must continue to use newtonian mechanics, but he needs to learn more about the particle. c. he needs to use quantum mechanics, not newtonian mechanics, because this is a nanotechnology product. d. he must determine new physical laws that only apply to quantum dots.