A 13 kg sled is moving at a speed of 3.0 m/s. at which of the following speeds will the sled have tace as mucb as the kinetic

A railroad diesel engine weighs four times as much as a freight car. The diesel engine coasts at 4.8 km/h into a freight car that is initially at rest.

Physics question--what happens at the beginning of every roller coaster ride? (No obvious/joke answers)

What is the difference in time between a 3 second to 11 second interval

How many hydrogen atoms could bind with oxygen? A. 0 B. 6 C. 1 D. 2

What features do all the resonance forms of a molecule or ion have in common?

The rate at which veloity changes over time is known as - Question options: A. speed B. acceleration C. Newton D. force

Scientific method definition

An unwary football player collides with a padded goalpost while running at a velocity of 7.50 m/s and comes to a full stop after compressing the padding and his body 0.350 m. (a) What is his deceleration? (b) How long does the collision last?

If the force of friction resisting the students push is 4 N what is the net force acting on the board if the student is applying 10 N of force?

Suppose a well-designed optical instrument is composed of two converging lenses separated by 14 cm. The focal lengths of the lenses are 0.60 and 4.5 cm. Is the instrument a microscope or a telescope