imagine a shopping cart of mass m, moving at a velocity of v to the right, running into a second shopping cart, of mass 3m, which is at rest.

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The impulse is the product of mass and velocity. Hence, the impulse delivered by the second shopping cart is 3mv/2

Given the Parameters :

  • Mass of cart 1 = m
  • Initial Velocity and direction = v toward the right
  • Final velocity = v/2 towards the left

  • Mass of cart 2 = 3m
  • Velocity = 0 m/s (At rest)

Impulse delivered by the second cart on the first :

Impulse = Mass × velocity

Impulse = Mass of cart 2 × final velocity of cart 1

Impulse = 3m × v/2 = 3mv/2 Ns (towards the left)

Therefore ; the impulse delivered by the second shopping cart is 3mv/2 to the left.

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