Q1 a skier starts from rest at the top of a hill that is

Reference no: EM13354025

Q1. A skier starts from rest at the top of a hill that is inclined at 12.0° with the horizontal. The hillside is 180.0 m long, and the coefficient of friction between the snow and the skis is 0.0750. At the bottom of the hill, the snow is level and the coefficient of friction is unchanged. How far does the skier move along the horizontal portion of the snow before coming to rest?

Q2. I have a physics momentum problem I am having trouble with.

A ball is thrown to a receiver of 99 kg body mass running at 4m/s north. The ball is thrown at an angle of 45 degrees with an initial velocity of 15m/s. The catch is made in stride (as in no angle with direction of motion)

a) Once the ball is caught, what is the change in velocity of the player?

After the catch, a linebacker of 130kg with velocity of 3.8m/s at an angle of 30 degrees South East tackles receiver and the fall together as one body.

b) What is the total initial momentum in x and y directions?

c) What is the magnitude of the final velocity of two players?

d) What direction do they fall?

Reference no: EM13354025

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