What is a prediction

A car starts at rest and accelerates at a rate of 2.75 m/s/s. What is its speed 3.726 seconds after it starts to move?

Jim pushes hard on a rock that weighs 500 pounds. He pushes with a force of 50 pounds, but the rock doesn't move. How much work did Jim do?

Non-Alaskan grizzly bears are indicator species for mountain ecosystems. In the nineteenth century, the grizzly bear nearly went extinct in the lower forty-eight states and were eventually added to the federal Endangered Species List as a threatened

Mass number of 43 and 21 electrons what is this atom

The centripetal force acting on a moon in a circular orbit around a planet continuously changes the ___ of the moon's motion

What causes rainbows?

What is the most useful property of semi-metals

Which of the following is most likely to have a volume of 75 cm³? A. a stereo system B. a laptop computer C. a portable mp3 player D. a plasma screen television

What was Issac Newton's contribution to our understanding of the fundamental forces of the universe? (Gravity, electromagnetic, strong force, weak force)

Q1) A motor has a rating power of 20 W and motor is used for 10 s. Calculate the energy supplied to the motor,