a ball is thrown horizontally from the roof of a building 45.0 m tall and lands 24.0 m from the base. What was the ball's initial speed?

A runner achieves a velocity of 11.1 m/s 9 seconds after he begins. What is his acceleration?

Explain why there is little difference between the rf values for starting material and product in the tlc analysis

Which of the following is not a subatomic particle? Question 2 options: A. proton B. neutron C. electron D. nucleus

A bowling ball is launched off the top of a 240-foot tall building. The height of the bowling ball above the ground t seconds after being launched is s (t) = -16t2+32t+240s (t) = -16t2+32t+240 feet above the ground.

If you're lying on a raft and you notice the number of waves that go past the rest increases you also find that the distance between each crest a increases b decreases c remains the same d spreadout

Explain why generators are an important use of electromagnets.

What is mummification?

Order the steps to describe how information is sent. A signal is produced. A signal is seen, heard, or used. Radio waves are modulated and amplified. Radio waves are amplified and demodulated.

The national grid supplied a house with 18000000 J of energy in 1 hour. What was the average current supplied to the house in that hour? Write any equations that you use.

Claudia throws a baseball to her dog. Which free-body diagram shows the baseball when it's flying horizontally in midair? (Assume no air resistance.)