1. Imagine that you’re sledding alone down a steep hill on a toboggan and that you...

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Physics

1. Imagine that you’re sledding alone down a steep hill on atoboggan and that you left the top of the hill at the same time asan identical toboggan, loaded with 4 people.

a. Which toboggan will reach the bottom of the hill first?

b. If you took a toboggan down a 2% grade slope, for a 1000 footrun, and then you took the toboggan down a steeper route of 15%grade down the hill, how would that affect the speed of yourdescent? Explain.

c. Before each downhill run, you must pull the toboggan back tothe top of the hill. If the Hill is 1000 vertical feet, how manyruns will you do in 2 hours?

d. Why can you sled down a hill? But you can’t you skate down ahill?

e. How do snow shoes help you walk in snow? Why are theirdifferent sized snow shoes?

2. a. Why is hip movement and turning the knees important inimproving a golf swing?

b. During the back swing, are you accelerating?

c. At the moment you reach the bottom of the swing you makecontact with the ball. Explain how energy is transferred from theclub to the ball

d. Why is there more stress on a golfers shoulders at the startof the swing, than when hitting the ball?

e. Why do you need to follow through on the swing?

f. What has happened when a golf shot is hooked?

g. What is the sweet spot on a club and what does it do?

h. What is a ping sound and how is it produced when hitting agolf ball?

Answer & Explanation Solved by verified expert
4.0 Ratings (524 Votes)
SOLUTIONProblem 1Part aThe free body diagram ofeach sled is shown belowNow applying the secondNewtons Law for the fisrt sled we haveButInserting 2 into 1 weobtainSimilarly for the secondSled we haveBecause both sleds descendwith the same acceleration then both sleds arrive at the foot ofthe hill at the same timePart bForReplacing 5 into    See Answer
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