A children's roller coaster is released from the top of a track. If it's maximum speed at ground level is 8 m/s, find the height it was released from

Describe the structure of the sun, and identify three features of its surface

Which of these can NOT be negative? a. acceleration and momentum. b. speed and velocity. c. distance and speed. d. displacement and distance.

A car moving at a speed of 8.0 meters per second enters a highway and accelerates at 3.0 meters per second^2. How fast will the car be moving after it has accelerated for 56 meters?

When the forces on an object have a net force of zero (the object is still or going constant speed).

How to understand that an inductor behaves like short circuit and capacitor like an open circuit in steady state in a network?

A plane accelerates from rest at a constant rate of 5.00 m/s2 along a runway that is 1800 m long. Assume that the plane reaches the required takeoff velocity at the end of the runway. a. What is the time tTO needed to take off? b.

Materials that are poor conductors of thermal energy are called ... Materials that are good conductors of thermal energy are called ...

How long does it take to travel a light year?

What indicates a vector's size? a. direction b. magnitude c. slope d. speed

Light, dry snow is called powder. Skiing on a powder day is different than skiing on a day when the snow is wet and heavy.