Two football players have the same momentum. One player with a mass of 100 kg is moving at a velocity of 4 m/s. If the second player is moving with a speed of 5.5 m/s, what must his mass be

The mass of the second player is 72.73 kg

Explanation:

Given;

mass of the first player, m₁ = 100 kg

velocity of the first player, u₁ = 4 m/s

velocity of the second player, u₂ = 5.5 m/s

let the mass of the second player = m₂

Since they have equal momentum, the mass of the second player will be obtained by equating their momentum.

m₁u₂ = m₂u₂

100 x 4 = 5.5m₂

400 = 5.5m₂

m₂ = 400 / 5.5

m₂ = 72.73 kg

Therefore, the mass of the second player is 72.73 kg

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