A gas is confined in a cylinder with a piston. What happens when work is done on the gas?

A sprinter leaves the starting blocks with an acceleration of 4.5m/s^2. What is the sprinter's speed 2 s later

A small but bright light is at the bottom of a pool 2.2 m deep. How wide is the circle of light that exits the surface of the water when that light shines in the middle of the night? Remember that nwater=1.33 .

The process of recording the strength of the contraction of a muscle when it is stimulated by an electrical current is known

The distance (x) in meters travelled by a particle is related to time (t) in seconds by the equation of motion x = 10t + 4t². What is the initial velocity of the body?

During a science experiment, your teacher drops a tennis ball out of a window. The ball hits the ground 3 seconds later. (a) What was the ball's speed when it hit the ground? Ignore air resistance.

The boundary between the crust and mantle is marked by a seismic-velocity discontinuity called

average distance of 160.0 cm. Its average time was 5.74 seconds. What is its average speed?

Tools used as nut crackers by chimps and birds

What type of electromagnetic wave does a light bulb and a radio antenna release?

Why was the inclusion of sketches in his notes important to Galileo's studies