You roll a ball so that it starts up a tall ramp. It does not have enough speed to make it all the way to the top, so it turns around. Assume that "up the ramp" is positive. a) Draw a motion diagram for the ball. Use arrows to indicate direction of motion. b) Describe the velocity of the ball: when is it positive, zero, or negative; when is the velocity increasing of decreasing? c) Describe the acceleration of the ball: when is it positive, zero or negative; does the acceleration change?
You roll a ball so that it starts up a tall ramp. It does not have enough speed to make it all the way to the top, so it turns around. Assume that "up the ramp" is positive. a) Draw a motion diagram for the ball. Use arrows to indicate direction of motion. b) Describe the velocity of the ball: when is it positive, zero, or negative; when is the velocity increasing of decreasing? c) Describe the acceleration of the ball: when is it positive, zero or negative; does the acceleration change?
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You roll a ball so that it starts up a tall ramp. It does not have enough speed to make it all the way to the top, so it turns around. Assume that "up the ramp" is positive.
a) Draw a motion diagram for the ball. Use arrows to indicate direction of motion.
b) Describe the velocity of the ball: when is it positive, zero, or negative; when is the velocity increasing of decreasing?
c) Describe the acceleration of the ball: when is it positive, zero or negative; does the acceleration change?
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