A car is moving from rest and the velocity increases to 30 m/s in 4 seconds. Calculate its acceleration.

A high-speed train travels 480 km from Paris to Grenoble, France, at an average speed of 180 km/h. How long will it take to reach Grenoble? A. 0.66 h B. 3.8 h C. 0.38 h D. 2.7 h

A 15 kg television sits on a shelf at a height of 0.3 m. How much gravitational potential energy is added to the television when it is lifted to a shelf of height 1.0 m?

Suppose that after a certain time tl, the string has been pulled through a distance l. what is the final rotational speed ωfinal of the wheel?

A stone is dropped from the upper observation deck of a tower, 950 m above the ground. (assume g = 9.8 m/s2.) (a) find the distance (in meters) of the stone above ground level at time t.

What is the ability to move or change an object or what a wave carries?

What is the definition for chemical change

What is the asthenosphere made out of? a. Solid Rock b. Liquid Rock c. Liquid Iron d. Solid Iron

An atom of nitrogen has five valence electrons. How could a nitrogen atom become more chemically stable

Mirages are due to: interference refraction reflection scattering

As you throw a ball, you exert a force on that ball of 4.2 N. You exert this force on the ball while the ball moves a distance of 0.50 m. The ball then leaves your hand and travels a horizontal distance of 8.5 m to your friend.