physics

An object of mass 2 kg is dropped from a certain
height. On rebounding from the ground, it rises
vertically till
2
th
5
of its initial height. The ratio of
magnitude of momentum of the object just before
and after striking the ground is

  1. 👍
  2. 👎
  3. 👁
  1. The answer is √5:√2

    1. 👍
    2. 👎
  2. Yes

    1. 👍
    2. 👎
  3. My answer is root5:root2

    1. 👍
    2. 👎

Respond to this Question

First Name

Your Response

Similar Questions

  1. Algebra II

    Suppose that an object is dropped from a height of h meters and hits the ground with a velocity of v meters per second. Then v= sqrt19.6h. If an object hits the ground with a velocity of 24.2 meters per second, from what height

  2. Algebra

    If an object is dropped from a height of 144 ft, the function h(t) = –16t² + 144 gives the height of the object after t seconds. When will the object hit the ground? • 1.5 s • 3 s • 6 s • 9 s

  3. math

    An object is thrown or fired straight upwards at an initial speed of v_0 ft⁄s will reach height h feet after t seconds, where h and t are related to the formula h=-16t^2+v_0 t Suppose the object is fired straight upwards with an

  4. physics

    An object is dropped from a height of 12m.At what height is the rock kinetic energy and its potential energy be equal?

  1. Physics

    1.) The earth's radius is about 3956.52 mi. An object that has a mass of 20 kg is taken to a height of 160 km above the earth's surface. a. What is the mass of the object at this height? b. How much does the object weigh at this

  2. Math

    If an object is dropped from a height of 200 feet, the function h(t) = -16 t^2 + 200 gives the height of the object after t seconds. Approximately, when will the object hit the ground?

  3. Algebra 2

    An object is dropped from a small plane. As the object falls, its distance, d, above the ground after t seconds, is given by the formula d = –16t2 + 1,000. Which inequality can be used to find the interval of time taken by the

  4. Math

    If an object is dropped from a height of 200 feet, the function h(t) = -16t^2 + 200 gives the height of the object after t seconds. Approximately when will the object hit the ground? a. 200.00 seconds b. 184.000 seconds c. 3.54

  1. Quadratic Equations

    The height of an object dropped from a 100-ft-tall building is given by h=-16t squared + 100. When will the object hit the ground? (Please provide steps/explanation to solve this problem.)

  2. Math

    Suppose an object is dropped from a height h0 above the ground. Then its height after t seconds is given by h = −16t 2 + h0, where h is measured in feet. Use this information to solve the problem. A ball is dropped from the top

  3. Physics please help

    A small circular object with mass m and radius r has a moment of inertia given by I = cmr2. The object rolls without slipping along the track shown in the figure. The track ends with a ramp of height R = 3.0 m that launches the

  4. algebra 1

    The formula for the height of a falling object is shown below, where h is the height of the object in meters, t is the time in seconds, and k is the height, in meters, from which the object began its fall. h = –4.9t² + k If a

You can view more similar questions or ask a new question.