Physics, 16.09.2019 21:30 sarah7484

Asmall rock is thrown vertically upward with a speed of 22.0 m/s from the edge of the roof of a 30.0-m-tall building. the rock doesn’t hit the building on its way back down and lands on the street below. ignore air resistance. (a) what is the speed of the rock just before it hits the street? (b) how much time elapses from when the rock is thrown until it hits the street?

Answers: 3

Show answers

Other questions on the subject: Physics

Physics, 21.06.2019 13:30, Joseph17Peralta

Acar is traveling at 53.0 mi/h on a horizontal highway. (a) if the coefficient of static friction between road and tires on a rainy day is 0.104, what is the minimum distance in which the car will stop?

Answers: 1

continue

Physics, 21.06.2019 22:30, ceceshelby646

Astudent is given an assignment to demonstrate diffraction. he takes a photograph of a straw in a glass of water. the straw appears bent at the water level. which best describes this example? a) this is a good example of diffraction. b) this is an example of dispersion and not diffraction. c) this is an example of refraction and not diffraction. d) this is an example of reflection and not diffraction.

Answers: 1

continue

Physics, 22.06.2019 06:00, Catgirl7060

(01.02 mc) nicole pushes her bike up a hill. overhead, the sun exerts a gravitational force on earth. which statement is true about the bike and earth? they both experience contact forces. they both experience non-contact forces. the bike experiences a non-contact force and earth experiences a contact force. the bike experiences a contact force and earth experiences a non-contact force. they both experience non-contact forces.

Answers: 1

continue

Physics, 22.06.2019 13:10, alejandramirand9836

A0.750 kg aluminum pan is removed from the stove and plunged into a sink filled with 10.0 kg of water at 293 k. the water temperature quickly rises to 297 k. what was the initial temperature of the aluminum pan? the specific heat of aluminum is ca = 900 j/(kgk) and water is cw = 4190 j/(kgk)

Answers: 3

continue

You know the right answer?

Asmall rock is thrown vertically upward with a speed of 22.0 m/s from the edge of the roof of a 30.0...