A marble accelerates from rest at a constant rate and travels for a total displacement of 44 m in 20.0 s. What is the average velocity of the marble?

A0.580-kg rock is tied to the end of a string and is swung in a circle with a radius of 0.500 meters. the velocity of the rock is 4.50 m/s. what is the centripetal force acting on the rock? 15.5 n 5.22 n 69.8 n 23.5 n

If an electric circuit is not grounded it is best to reach out and touch it to provide the ground a.true or b.false

An object dropped from cliff falls with a constant acceleration of 10 metre per second square find its speed of two seconds after it was dropped