You did 150 joules of work lifting a 75 newton backpack. how high did you life the backpack?

Explain how the energy of rubber ball is tranforned as it roll down a ramp. give evidence that the energy of the og the ball remains the same at all points on the ramp

Which of the following are considered noble gases? a. bromine b. neon c. argon d. chlorine

Which sound characteristic is not affected by the relative motion of an object