The pressure that each ski exerts on the snow

Reference no: EM1311775

Q1. A 73 kg skier is going down a slope oriented 31° above horizontal. The area of each ski in contact with the snow is 0.13m2. Find out the pressure that each ski exerts on the snow.

Q2. In a weak moment you volunteered to be the human cannonball at an amateur charity circus. The "cannon" is in fact a 3 foot diameter tube with a big stiff spring inside that is attached to the bottom of the tube. A small seat is attached to the free end of the spring. The ringmaster, one of your soon to be ex-friends, gives you your instructions. He tells you that just before you enter the mouth of the cannon, the motor will compress the spring to 1/10 its normal length and hold it in that position. You are to gracefully crawl in the tube and sit calmly in seat without holding on to anything. The cannon will then be raised to an angle such that your speed through the air at your highest point is 10 ft/sec.

Reference no: EM1311775

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