B. Show your complete solutions and round off your final answer to 2 decimal places and box your final answers using a red pen. Make sure your solutions are clearly written and properly organized. 1. A ball moves in a straight line (the x-axis). The graph in the figure below shows this ball's velocity as a function of time. u, (m/s) 3.0- 2.0 1.0 o 1.0 2.0 1.0 3.0 (a) What are the ball's average speed and average velocity during the first 3.0 s? (b) Suppose that the ball moved in such a way that the graph segment after 2.0 s was -3.0 m/s instead of +3.0 m/s. Find the ball's average speed and average velocity in this case.

Physics for Scientists and Engineers: Foundations and Connections
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ISBN:9781133939146
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Chapter1: Getting Started
Section1.5: System Of Units
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B. Show your complete solutions and round off your final answer to 2 decimal places
and box your final answers using a red pen. Make sure your solutions are clearly
written and properly organized.
1. A ball moves in a straight line (the x-axis). The graph in the figure below shows this
ball's velocity as a function of time.
v (m/s)
3.0-
2.0
1.0
o
J
1.0 2.0 3.0
1 (s)
(a) What are the ball's average speed and average velocity during the first 3.0 s?
(b) Suppose that the ball moved in such a way that the graph segment after 2.0 s
was -3.0 m/s instead of +3.0 m/s. Find the ball's average speed and average velocity in
this case.
2. An antelope moving with constant acceleration covers the distance between two
points 70.0 m apart in 6.00 s. Its speed as it passes the second point is 15.0 m/s. (a)
What is its speed at the first point? (b) What is its acceleration?
3. A juggler throws a bowling pin straight up with an initial speed of 8.20 m/s.How
much time elapses until the bowling pin returns to the juggler's hand?
Transcribed Image Text:B. Show your complete solutions and round off your final answer to 2 decimal places and box your final answers using a red pen. Make sure your solutions are clearly written and properly organized. 1. A ball moves in a straight line (the x-axis). The graph in the figure below shows this ball's velocity as a function of time. v (m/s) 3.0- 2.0 1.0 o J 1.0 2.0 3.0 1 (s) (a) What are the ball's average speed and average velocity during the first 3.0 s? (b) Suppose that the ball moved in such a way that the graph segment after 2.0 s was -3.0 m/s instead of +3.0 m/s. Find the ball's average speed and average velocity in this case. 2. An antelope moving with constant acceleration covers the distance between two points 70.0 m apart in 6.00 s. Its speed as it passes the second point is 15.0 m/s. (a) What is its speed at the first point? (b) What is its acceleration? 3. A juggler throws a bowling pin straight up with an initial speed of 8.20 m/s.How much time elapses until the bowling pin returns to the juggler's hand?
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