Unit 2 Activity 4 Extension D Quiz
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On each of the tracks shown below the skateboarder starts from rest (speed = 0) at the position shown. Assuming the effects of friction can be ignored, on which of the tracks will he reach the top of the first hill he encounters? Choose all that apply. (Note: The blue dots can be ignored.)
Track A, Track C
Which of the tracks below are safe for the skateboarder? By safe, we mean that he will turn around before he reaches the far end of the track, since if he doesn't turn around, he's got a long fall to the ground. Choose all that apply.
Track A, Track C
On which of the tracks shown below will the skateboarder turn around (that is stop and reverse direction) before he reaches the end of the track? Choose all that apply.
Track C
