please help me to answer me these question
Explain briefly why a:
1.high diver can turn more somersaults before striking the water.
2.dancer on skates can spin faster by folding her arms.
1.high diver can turn more somersaults before striking the water.
2.dancer on skates can spin faster by folding her arms.
For question 2:..
The inertia of a person depends on it's distance from the rotation point. As she pulls her arms in, the distance from the rotation point decreases. This decreases her inertia, making the body turn easier and faster.
The inertia of a person depends on it's distance from the rotation point. As she pulls her arms in, the distance from the rotation point decreases. This decreases her inertia, making the body turn easier and faster.
thanks
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