An acorn fell 5 m from a tree to the ground. What additional information is needed to calculate both the gravitational potential energy of the acorn before it fell and the kinetic
energy of the acorn just before it hit the ground?

How is acceleration calculated? a. initial velocity - final velocity / timeb. initial velocity + final velocity / timec. final velocity - initial velocity / timed. final velocity / timele select the best answer from the choices provided0oood00save and exitnextmark this and return

15. give an example for some particles or waves that are moving faster than light in everyday life 16. what is a laser? 17. what is an oscilloscope? 18. what does it means practically that nothing is faster than light in vacuum? 19. what is vacuum?

The mini-refrigerator fire was most likely caused by what type of wiring?