Physics, 13.04.2021 20:10, ndef5055

The potential energy of a 50-kg cannonball is 20,000 J. How high was the cannon ball to have this much potential energy?

Answers: 3

Show answers

Other questions on the subject: Physics

Physics, 21.06.2019 21:30, yfnal3x

How many seconds does it take a pebble released from rest off a bridge to fall 29.4 m ? what is the pebble's speed when it has fallen 29.4 m ?

Answers: 1

continue

Physics, 22.06.2019 15:00, MARTINASLACK299

You want to lose weight and have been trying to decide which type of fad diet is best for you. you ask your doctor, who responds that a. fad diets are a temporary fix but generally don't have any side effects b. fad diets can be used several times a year to maintain a healthy weight c. fad diets can be risky for your health and, in the long run, do not work d. fad diets should never be used one right after the other; there should be a break between them select the best answer from the choices provided. a b c d

Answers: 1

continue

Physics, 22.06.2019 16:30, mem8163

In a classical model of the hydrogen atom, the electron moves around the proton in a circular orbit of radius 0.053 nm. what is the electron's orbital frequency? what is the effective current of the electron?

Answers: 3

continue

Physics, 22.06.2019 23:00, aliyyahlove

Awelder using a tank of volume 7.50×10^-2 m^3 fills it with oxygen (with a molar mass of 32.0 g/mol ) at a gauge pressure of 3.30×10^5 pa and temperature of 37.1 ∘c. the tank has a small leak, and in time some of the oxygen leaks out. on a day when the temperature is 23.1 ∘c, the gauge pressure of the oxygen in the tank is 2.00×10^5 pa . a) find the initial mass of oxygen. b) find the mass of oxygen that has leaked out.

Answers: 3

continue

Do you know the correct answer?

The potential energy of a 50-kg cannonball is 20,000 J. How high was the cannon ball to have this mu...