Question
Asked Mar 18, 2019
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Review
Part A
Two 78.5-kg hockey players skating at 5.22 m/s collide and stick
together
If the angle between their initial directions was 140°, what is their speed after the collision?
m/s
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Review Part A Two 78.5-kg hockey players skating at 5.22 m/s collide and stick together If the angle between their initial directions was 140°, what is their speed after the collision? m/s Submit Request Answer

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Expert Answer

Step 1

 

Let player 1 moving in + x direction and player 2 at 1400 , the velocity of player 2 can be divided into two perpendicular components. The momentum of the player 1 in y-direction is zero. The conservation of momentum along x direction is shown in equation (1).

 

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Step 2

Substitute 5.22meter per sec for v.

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Step 3

Let the momentum conserved in y-direction, ...

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Science

Physics

Collisions

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