English

A Body of Mass 5 Kg is Moving with Velocity 2 M S-1. Calculate Its Linear Momentum. - Physics

Advertisements
Advertisements

Question

A body of mass 5 kg is moving with velocity 2 m s-1. Calculate its linear momentum.

Sum
Advertisements

Solution

Mass of the body, m = 5kg

Velocity, v = 2 m/s

Linear momentum = mv = (5)(2) kg m/s

  = 10 kg m/s-1

shaalaa.com
  Is there an error in this question or solution?
Chapter 3: Laws of Motion - Exercise 3 (C) [Page 70]

APPEARS IN

Selina Concise Physics [English] Class 9 ICSE
Chapter 3 Laws of Motion
Exercise 3 (C) | Q 1 | Page 70

RELATED QUESTIONS

A car accelerates on a horizontal road due to the force exerted by.


A free 238U nucleus kept in a train emits an alpha particle. When the train is stationary, a nucleus decays and a passenger measures that the separation between the alpha particle and the recoiling nucleus becomes x at time t after the decay. If the decay takes place while the train is moving at a uniform velocity v, the distance between the alpha particle and the recoiling nucleus at a time t after the decay, as measured by the passenger, is


A particle of mass 50 g moves in a straight line. The variation of speed with time is shown in the following figure. Find the force acting on the particle at t = 2, 4 and 6 seconds.


Consider the situation shown in the following figure. Both the pulleys and the string are light and all the surfaces are frictionless.

  1. Find the acceleration of the mass M.
  2. Find the tension in the string.
  3. Calculate the force exerted by the clamp on the pulley A in the figure.


A body of mass m moving with a velocity v is acted upon by a force. Write an expression for change in momentum in each of the following cases: (i) When v << c, (ii) When v → c and (iii) When v << c but m does not remain constant. Here, c is the speed of light.


The linear momentum of a body of mass m moving with velocity v is  : 


Calculate the velocity of a body of mass 0.5 kg, when it has a linear momentum of 5 Ns.


What do you mean by linear momentum of a body? A force causes an acceleration of 10 ms-2 in a body of mass 1 kg. What acceleration will be caused by the same force in a body of mass 4 kg?


A stone is thrown vertically upward with a velocity of 9.8 m/s. When will it reach the ground?


A ball is thrown vertically downward with an initial velocity of 10 m/s. What is its speed 1 s later and 2 s later?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×