A skeeball has a mass of 0.5 kg. If the skeeball is rolling at 5 m/s, what is

the skeeball's kinetic energy? *

A) 2.5 J

B) 6.25 J

C) 12.5 J

D) 25 J

(B)

Which of the following is an example of the electrostatic force acting in an atom? A. An electron repelling a proton B. A proton repelling another proton C. A neutron repelling an electron D. A neutron repelling another neutron

The ultimate fate of our universe depends on its mass. true or false.

The value of g is maximum at poles and minimum at equator why

Lacie kicks a football from ground level at a velocity of 13.9 m/s and at an angle of 25.0° to the ground. How far will the football travel before it lands? Round your answer to the nearest tenth.

n an electromagnetic wave in free space, the electric and magnetic fields are A. parallel to one another and perpendicular to the direction of wave propagation. B. parallel to one another and parallel to the direction of wave propagation. C.

How is the maunder minimum related to climate? a. changes in the earth's orbit correlate to changes in climate. b. unusually low sunspot activity correlates to unusually cold climatic events. c. the maunder minimum is unrelated to climate. d.

Why is thermal expansion an important consideration for engineering?

The stored energy an object has due to its position is potential energy. True or False?

Describe two changes of state that releases energy

A student is trying to determine if a solution is acidic or basic. She does not have any litmus paper. Which would she most likely use to get a reading on her solution? vinegar soap cabbage juice aquarium water