Two Frisky Otters Slide Down Frictionless Hillsides of the Same $30 ^ { \circ }$

question 115

Multiple Choice

Two frisky otters slide down frictionless hillsides of the same height but different slopes. The slope of the hill of otter 1 is $30 ^ { \circ }$ while the slope of the hill of otter 2 is $60 ^ { \circ }$ If both start from rest, which otter is moving faster when she reaches the bottom of her hill?

• A) Otter 1 is moving faster.
• B) Otter 2 is moving faster.
• C) The heavier otter is moving faster, no matter which hill she used.
• D) The otter that took the shorter time is moving faster.
• E) Both otters have the same speed at the bottom.

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