Asked by davie

Two 72.0 kg hockey players skating at 7.00 m/s collide and stick together. If the angle between their initial directions was 120 degrees, what is their speed after the collision?
Answered by bobpursley
draw the figure. Notice symettry will allow for two components of momentum perpendicular to the line of symettry will cancel, so what is left is 2*72*7*cos60
Answered by Evab
A 74-kg canoeist stands in the middle of her 18-kg canoe. The canoe is 3.0 m long, and the end that is closest to land is 2.5 m from the shore. The canoeist now walks toward the shore until she comes to the end of the canoe.

calculate the distance from the canoeist to shore.
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