A vehicle weighing 1000 kg goes downhill from 2000 feet to 1000 feet at a velocity of 60 mph. Which one of the statements below is truePotential energy remains the same while kinetic energy decreases to one fourthPotential energy increases to twice of its initial valueO potential energy decreases to halfKinetic energy decreases to half

Given information: The mass of the vehicle (m) = 1000 kg The initial height of the vehicle (h1) =…

Answered: A vehicle weighing 1000 kg goes…

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

See similar textbooks

Similar questions

You throw a 2.3 kg ball straight up into the air and catch it again in your hands. Where in the ball's flight is its potential energy at a maximum?
Consider a ball (0.50 kg) is tossed upward (from an initial elevation of 0.5m) and rises a vertical distance of 1.5m above its release point then falls back downward and is caught at its original release point. Ignore the effects of air resistance. What is Kinetic Energy and Potential Energy for the upward motion and for the downward motion, respectively?
A sled and rider with a combined weight of 50 kg are at rest on the top of a hill 23 m high. (a) What is their total energy at the top of the hill?____ J(b) Assuming there is no friction, what would the total energy be on sliding halfway down the hill? ____J
Determine the energy required to accelerate a 1,155-kg car from 10 to 60 km/h on an uphill road with a vertical rise of 46 m. Please give your answer in kJ.
You are given a cart with mass m and initial velocity v at the top of a ramp that is h meters high. If m=250 kg, v=10m/s and h= 100m, calculate the kinetic energy, potential energ, speed, and total energy at heights h, 3h/4, h/2,h/4 and 0
A 54 kg student carrying an 11 kg backpack climbs up 76 steps (each step is 18 cm high) to the 4th floor then walks horizontally 8 meters from the top of the steps to physics class. how much gravitational potential energy do she and the backpack gain altogether ?
What are the energy and average power output by a 55 kg cyclist would be required to ride up a 5 km long hill with 5% gradient in 15 minutes? Question 2 options: Energy 13750 and power 90 W Energy 268430 and power 300 W Energy 132100 and power 200 W Energy 134750 J and power is 150 W
A child of mass m = 16 kg slides down a slide of height h = 2.7 m without friction. Let gravitational potential energy be zero at ground level. a)Write an expression for the child's total mechanical energy, E, at the top of the slide, in terms of the variables in the problem and the acceleration due to gravity g. b)Calculate the change in the child's potential energy, ΔU in joules, from the top to the bottom of the slide at ground level (i.e. ΔU = Uground - Utop). c)What is the child's final speed, vf in m/s?
2
A 5-kg sled has a potential energy of 6500 J at position A above the ground. When the sled strikes the ground, what is its velocity?
A motorcyclist runs out of gas on a level road 250 m from the gas station. She pushes the 220-kg motorcycle with a constant force of 150 N. How much work does she do? For the motorcycle of the previous problem, if it was moving with a kinetic energy equal to the work done on it, how fast would it move?
A 0.45 kg ball is kicked up in the air. It falls back on the ground after attaining a height of 10 m.Calculate the energy values below. We assume no fiction.g= 9.80 m/s2EGP = gravitational potential energyEK=kinetic energy EGP at 0 m =EGP at 10 m =EK at 10 m =EK at 0 m =EK at 5 m =

SEE MORE QUESTIONS

Recommended textbooks for you

College Physics

Physics

ISBN:

9781305952300

Author:

Raymond A. Serway, Chris Vuille

Publisher:

Cengage Learning

University Physics (14th Edition)

Physics

ISBN:

9780133969290

Author:

Hugh D. Young, Roger A. Freedman

Publisher:

PEARSON

Introduction To Quantum Mechanics

Physics

ISBN:

9781107189638

Author:

Griffiths, David J., Schroeter, Darrell F.

Publisher:

Cambridge University Press

College Physics

Physics

ISBN:

9781305952300

Author:

Raymond A. Serway, Chris Vuille

Publisher:

Cengage Learning

University Physics (14th Edition)

Physics

ISBN:

9780133969290

Author:

Hugh D. Young, Roger A. Freedman

Publisher:

PEARSON

Introduction To Quantum Mechanics

Physics

ISBN:

9781107189638

Author:

Griffiths, David J., Schroeter, Darrell F.

Publisher:

Cambridge University Press

Physics for Scientists and Engineers

Physics

ISBN:

9781337553278

Author:

Raymond A. Serway, John W. Jewett

Publisher:

Cengage Learning

Lecture- Tutorials for Introductory Astronomy

Physics

ISBN:

9780321820464

Author:

Edward E. Prather, Tim P. Slater, Jeff P. Adams, Gina Brissenden

Publisher:

Addison-Wesley

College Physics: A Strategic Approach (4th Editio…

Physics

ISBN:

9780134609034

Author:

Randall D. Knight (Professor Emeritus), Brian Jones, Stuart Field

Publisher:

PEARSON

SEE MORE TEXTBOOKS