Describe the energy transformations

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Reference no: EM13649004

a) Describe the energy transformations that take place when askier starts skiing down a hill, but after a time is brought torest by striking a tree.
b) Why is it easier to climb a steep mountain via a zigzagtrail (switchbacks) than to climb straight up?
c) How can a rocket change direction when it is far out inspace and is essentially in a vacum?

Reference no: EM13649004

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