Which event occurs during high tide? a) All of Earth’s ocean levels rise.
b) The moon’s orbit is closer to Earth.
c) The gravity of the Sun and moon cause the Earth’s crust and water to bulge.
d) Earth’s crust and water are being pulled in opposite directions by the Sun and moon.

In a heat engine if 1000 j of heat enters the system the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2000 j? 1. write the equation 2.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

What distance does a car travel as its speed changes from 0 to 20 m/s in 17 s at constant acceleration?

Which is not true of alpha radiation? o a. it increases the number of protons. o b. it has a positive charge. o c. it causes transmutation. o d. it is heaviest of the three types