An acorn falls from an oak tree. You note that it takes 2.5 seconds to hit the ground. How fast

was it going when it hit the ground?

True or False: If your gas pedal jams, you should turn the key to lock to lock the steering wheel.

If your front lawn is 18.0 feet wide and 20.0 feet long, and each square foot of lawn accumulates 1050 new snow flakes every minute, how much snow (in kilograms) accumulates on your lawn per hour? assume an average snow flake has a mass of 2.00 mg

The second floor of a house is 6m above street level. How much work is reguired to lift a 300 kg refrigerator to the second story?

In an old-fashioned amusement park ride, passengers stand inside a 3.0-m-tall, 5.0-m-diameter hollow steel cylinder with their backs against the wall. the cylinder begins to rotate about a vertical axis.

Find how long it takes a person to drive 201 miles on a highway if she merges onto a highway at 3pm and drives nonstop with her cruise control set on 60 mph.

Two football players collide on the field. Before the collision, their total momentum was 450 kgm/s to the north. What is their total momentum after the collision? A. More than 450 kgm/s north B. 450 kgm/s north C. Less than 450 kgm/s north D.

Jane and John Doppler effect

If you combine 430.0 ml of water at 25.00 °c and 140.0 ml of water at 95.00 °c, what is the final temperature of the mixture? use 1.00 g/ml as the density of water. s

While working out, a man performed 200 j of work in 3 seconds. What was his power?

A funnel-shaped low pressure closure