physics

A 10-g metal ball is moving to the left with a velocity of magnitude 0.4 m/s has a head-on, elastic collision with a larger 30-g metal ball moving to the right with a velocity of magnitude 0.2 m/s.

  1. 👍 0
  2. 👎 0
  3. 👁 72
asked by killi
  1. conserve momentum and conserve energy

    10*.4 - 30(.2) = 10 u + 30 v

    .5(10)(.4^2)+.5(30)(.2)^2 =.5(100)u^2+.5(30)v^2

    1. 👍 0
    2. 👎 0
    posted by Damon

Respond to this Question

First Name

Your Response

Similar Questions

  1. Physics

    Problem 3- A 10-g metal ball is moving to the left with a velocity of magnitude 0.4 m/s has a head-on, elastic collision with a larger 30-g metal ball moving to the right with a velocity of magnitude 0.2 m/s. a) Find the speed of

    asked by Mariam on January 12, 2014
  2. PHYSICS

    Two balls of identical sizes but different masses moving exactly along the same straight line. The left ball (m = 0.5 kg) is moving with a velocity of 2 m/s to the right, and the right ball (m = 0.1 kg) is moving at 0.25 m/s to

    asked by LESTER on October 17, 2016
  3. physics

    A billiard ball rolling across a table to the right at 2.2 m/s makes a head-on elastic collision with an identical ball. The mass of a billiard ball is 32 g. If the second ball is initially at rest, what is the velocity of the

    asked by micha on February 22, 2011
  4. physics

    A billiard ball rolling across a table to the right at 2.2 m/s makes a head-on elastic collision with an identical ball. The mass of a billiard ball is 36 g. If the second ball is initially at rest, what is the velocity of the

    asked by sidney on October 12, 2011
  5. college

    A 2 kg ball of putty moving to the right at 3m/s has a head-on inelastic collision with a 1 kg ball of putty moving to the left at 3m/s. What is the final magnitude and direction of the velocity of the stuck together balls after

    asked by Misty on June 8, 2010
  6. Physics

    A 2 kg ball of putty moving to the right at 3m/s has a head-on inelastic collision with a 1 kg ball of putty moving to the left at 3m/s. What is the final magnitude and direction of the velocity of the stuck together balls after

    asked by Misty on June 8, 2010
  7. Physics

    A 2 kg ball of putty moving to the right at 3m/s has a head-on inelastic collision with a 1 kg ball of putty moving to the left at 3m/s. What is the final magnitude and direction of the velocity of the stuck together balls after

    asked by Nikki on October 8, 2011
  8. Physics

    A ball is thrown vertically upward from the ground with a speed of 36.0 m/s.Suppose the acceleration of gravity were only 2.00 m/s^2 instead of 9.80 m/s^2 a)At what time does it have a velocity of 12.0 m/s upward? b)At what time

    asked by Celine on September 6, 2014
  9. Physics

    In one dimension, a 5g ball is moving to the right at 7 m/s collides with an 8g ball moving to the left at 4 m/s for a perfectly elastic collision. What is the final velocity of both balls? I just don't understand the whole left

    asked by Michelle on April 25, 2014
  10. Physics

    Rank the magnitude of the change in momentum of a ball from largest to smallest in the following situations: a) The ball is moving with constant velocity, hits a wall, and stops moving. b) The ball is moving with constant

    asked by alison on October 12, 2018

More Similar Questions