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dom2olsonmergina
dom2olsonmergina dom2olsonmergina
  • 07-07-2016
  • Physics
Answered

How does the momentum of a 75 kilogram stationary football player compare with that of a 70 kilogram player moving at a velocity of 6 meters/second?

Verified Answer :

AL2006
AL2006 AL2006
  • 07-07-2016

Momentum of an object = (its mass) x (its speed) .

Since speed is a factor of momentum, an object that
isn't moving doesn't have any.

-- The moving player has momentum. 

-- The stationary one doesn't.

Answer Link
olemakpadu
olemakpadu olemakpadu
  • 07-07-2016

Momentum = Mass velocity

For the stationary football player, his velocity = 0

Momentum = 75 kg
0 = 0 kgm/s

The second player =  70kg * 6 m/s = 420 kgm/s

The first player has no momentum, the second player has a momentum of 420 kgm/s

Answer Link

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