# calculus

(Use the fact that the kinetic energy of a particle of mass "m" moving at a speed "v" is (1/2)m(v^2). Slice object into pieces in such a way that the velocity is approximately constant on each piece.)

Q: Find the kinetic energy of a phonograph record of uniform density, mass 50gm and radius 10cm rotating at 33(1/3) revolutions per minute.

1. 👍 0
2. 👎 0
3. 👁 131

## Similar Questions

1. ### physics

One particle has a mass of 3.00*10-3 kg and a charge of +7.60 µC. A second particle has a mass of 6.00*10-3 kg and the same charge. The two particles are initially held in place and then released. The particles fly apart, and

asked by Ann on February 3, 2007
2. ### calculus

(Use the fact that the kinetic energy of a particle of mass "m" moving at speed "v" is (1/2)m(v^2). Slice objects into pieces in such a way that the velocity us approximately constant on each piece.) Q: Find the kinetic energy of

asked by mike on October 28, 2012
3. ### Chemistry

Kinetic energy = 1/2 mv^2 where m is the mass of the particle and v is the velocity of the particle. A joule is the SI unit for energy and is kg.m^2/s^2. Find the energy in joules of a 56.7 g mass moving at the speed of 70. km.

asked by Lina on November 5, 2012
4. ### Physics

A 59 g particle is moving to the left at 29 m/s. How much net work must be done on the particle to cause it to move to the right at 38 m/s? .....i have tried two different ways and gotten the wrong answer. Kinetic Energy = 0.5 *

asked by Haley on November 29, 2009
5. ### physics

a particle of mass m moving with a speed v meters per second strikes a particle of mass 3m at rest and joins together. express the final kinetic energy as a fraction of initial energy

asked by ken on May 5, 2014
6. ### Physics

A particle of mass m kinetic energy K momentum p collides head on elastically with another particle of mass 2m at rest A) Momentum of first particle ? B) momentum of second particle? C) kinetic energy of first particle? D) kinetic

asked by Thousif on August 22, 2017
7. ### algebra

The kinetic energy of a particle of mass m is found by taking one-half of the product of the mass (M) and the square of the veocity (V). write an expression for the kinetic energy of a particle. Am i correct in writing KE=1/2mv^2

asked by Ann on March 11, 2007
8. ### Physics

A particle of mass m1 = 2.5 kg moving along the x axis collides with a particle of mass m2 = 4.9 kg initially at rest. The incoming particle is deflected in the direction 22 degrees above the x axis, whereas the target particle

asked by Ana on November 5, 2016
9. ### Physics

A single conservative force F(x) acts on a 1.6 kg particle that moves along an x axis. The potential energy U(x) associated with F(x) is given by U(x) = -2.9xe-x/3 where x is in meters. At x = 3.4 m the particle has a kinetic

asked by Aaron on March 7, 2011
10. ### phsics

A charged particle is moving in a uniform magnetic field. Which of the following statements concerning the magnetic force exerted on the particle is false? A) It does not change the kinetic energy of the particle. B) It can act

asked by benton on April 2, 2007

More Similar Questions