Physics, 21.04.2021 19:10, vjmfghhh

1.What is the kinetic energy of a 394kg car moving at 15 m/s? 2.A truck has a kinetic energy of 150 000J and a mass of 95kg. What is the truck’s velocity?

3.What is the gravitational potential energy of a box with a weight of 645 000 N at a height of 36m?

4.A 16kg wagon moving at 23m/s. What is the kinetic energy?

5.If a 5kg cinder block was on a 65m ledge, would its gravitational potential energy be?

6.If a 0.14 kg baseball has a kinetic energy of 58 000J, what would its velocity be?

7.If a 0.02 kg bullet is moving at 106m/s, what would be the kinetic energy?

8.What is a motorcycle’s velocity if it has a kinetic energy of 835 000 J and a mass of 76kg?

9.At what height would a 40kg person need to be to have 350 000J of gravitational potential energy?

Answers: 1

Show answers

Other questions on the subject: Physics

Physics, 21.06.2019 19:30, ggdvj9gggsc

A500g object falls off a cliff and losers 100 j from its gravitational potential energy store. if the gravitational field strength g=9.8n/kg, how high is the cliff?

Answers: 1

continue

Physics, 22.06.2019 02:50, antcobra

20. threshold braking in the vehicle's braking system occurs when a. the brake pedal is pushed, heel on floorboard, with full foot pressure. b. the brakes are exerting full braking power, without traction loss. c. the driver begins pushing down the brake pedal, with moderate slowdown. d. the brakes just begin to take hold with a gradual slowdown.

Answers: 3

continue

Physics, 22.06.2019 07:30, bell777

30 points - when can a theory be modified if a new type of technology allows for new observations that raise new questions? a. immediately, while the questions about the theory are being asked b. after new hypotheses related to the theory are tested in experiments c. only after the new observations disprove all parts of the theory d. while scientists begin to think about how the theory could improve

Answers: 1

continue

Physics, 22.06.2019 09:30, looloo273

Asap i'm in class rn a 1,000-kg car is traveling 20 m/s on a flat stretch of road. it gets to a hill and coasts uphill until it stops. how high up the hill does the car travel? givens: equation: 1/2mv2initial=mghfinal solve for h. plug & chug, label.

Answers: 2

continue

Do you know the correct answer?

1.What is the kinetic energy of a 394kg car moving at 15 m/s? 2.A truck has a kinetic energy of 15...