The fast server in women's tennis is Venus Williams, who recorded a serve of 130 mi / h (209 km / h) in 2007. If her racket pushed on the ball for a distance of 0.15 m, what was the average acceleration of the ball during her serve?

You leave on vacation, but accidentally block the drain of your kitchen sink. The faucet is leaking at a rate of 3 mL every 10 seconds. The sink measures 18 inches wide by 18 inches long by 14 inches deep.

What type of force causes exfoliation

A 25,000-kg train car moving at 2.50 m/s collides with and connects to a train car of equal mass moving in the same direction at 1.00 m/s. How much does the kinetic energy of the system decrease during the collision?

Which direction does air pressure exert force at sea level

When someone throws a ball, the action force is the person pushing on the bar what is the reaction force?

Give a sentence with the word velocity in it

Which description matches up correctly with each type of particle? Alpha - no mass and no charge; beta - mass of 4 and charge of + 2; gamma - charge of - 1 and mass of 0 Alpha - mass of 0 and charge of - 1; beta - mass of 4 and charge of + 2;

Describe the factors that form deep currents

A comet is cruising through the solar system at a speed of 50000 kilometers per hour for 4 hours time. What is the total distance traveled by the comet during this time in kilometers, miles, and light years?

A gas in a closed container is heated with 12J of energy, causing the lid of the container to rise 3m with 5N of force. What is the total change in energy?