physics

Two objects of masses m1 = 0.58 kg and m2 = 0.92 kg are placed on a horizontal frictionless surface and a compressed spring of force constant k = 300 N/m is placed between them as in figure (a) shown below. Neglect the mass of the spring. The spring is not attached to either object and is compressed a distance of 9.6 cm. If the objects are released from rest, find the final velocity of each object as shown in figure (b). (Let the positive direction be to the right. Indicate the direction with the sign of your answer.)
v1 =
m/s
v2 =
m/s

  1. 👍 0
  2. 👎 0
  3. 👁 94
asked by sherry
  1. Initial and final momentum must be zero and energy must be conserved so:
    m1v1f = m2v2f
    and 1/2 kx^2 = 1/2m1v1f^2 + 1/2m2v2f^2
    solve the first for either v1f or v2f and plug it into the second.
    The math is pretty straight forward from there (no quadratic)

    1. 👍 0
    2. 👎 0
    posted by Chanz

Respond to this Question

First Name

Your Response

Similar Questions

  1. Science

    The strength of the force of gravity between two objects is determined by which of the following factors? Select all that apply. A. the masses of the objects B. the distance between the objects C. the volumes of the objects D. the

    asked by Boi on May 12, 2018
  2. Science 8th grade

    There are two clouds of material: one with widely spaced objects with small masses and one with closely packed objects with larger masses. What is more likely to form a solar system, the first or second? Use gravity to explain

    asked by Anonymous on January 25, 2013
  3. Physics

    In mathematical language, Newton's Law of Gravity expresses the force of gravity, F, between two objects in the following way: F= (GMm)/r^2 where M is the mass of one object, m is the mass of the other object, r is the distance

    asked by Adam on September 22, 2011
  4. Physics

    In DESPERATE NEED OF HELP!!! An object of mass m = 10 kg and speed v = 2 m/s collides head on with a second object of mass m = 5 kg which has a speed v = 1 m/s. The objects stick together. There are no external forces on the two

    asked by Carl on November 10, 2016
  5. science

    I was given a systems equation. Two masses are on a flat frictionless surface tied together. There is a pulley type thing and another mass is hanging over the edge of the table. It is attatched to the other 2 masses. It has no Fn,

    asked by Marina on February 8, 2010
  6. Science: Physics and Chemistry

    I was given a systems equation. Two masses are on a flat frictionless surface tied together. There is a pulley type thing and another mass is hanging over the edge of the table. It is attatched to the other 2 masses. It has no Fn,

    asked by Marina on February 8, 2010
  7. Science: Physics and Chemistry

    Can someone please help me with this??? I was given a systems equation. Two masses are on a flat frictionless surface tied together. There is a pulley type thing and another mass is hanging over the edge of the table. It is

    asked by Marina on February 8, 2010
  8. science

    Which statement best describes Newton’s Law of Universal Gravitation? A.Large objects, like Earth and the Sun, attract other objects everywhere in the universe. B.Gravity is a kind of magnetic force between objects and Earth.

    asked by victoria on February 17, 2014
  9. Science

    Fill in the blank- The gravitational force between two objects is proportional to the ______ of the masses of the objects.

    asked by Angie on October 30, 2013
  10. Physics

    A mobile consists of two very lightweight rods of length l = 0.400 m connected to each other and the ceiling by vertical strings. (Neglect the masses of the rods and strings.) Three objects are suspended by strings from the rods.

    asked by Luca on June 22, 2012
  11. Physics

    objects with masses of 285 kg and a 585 kg are separated by 0.420 m. (a) Find the net gravitational force exerted by these objects on a 62.0 kg object placed midway between them.

    asked by Dani on May 3, 2011

More Similar Questions