2. A ball is thrown vertically upward from the ground with a speed of 20 m/s. For this problem only, use g = 10 m/s² a) How long does it take to reach its highest point? b) How high does the ball rise? c) At what times will the ball be 18 m above the ground? Hint for Problem 2: x (m) 20 10 ●|||||||| Position as a function of time 0 1 (8) 00 04 08 12 16 20 24 28 32 36 40 v (m/s) Velocity as a function of time 0 1 (0) 04 08 12 16 20 24 28 32 36 40 a(m/s/s) Acceleration as a function of time 10 0 04 08 12 16 20 24 28 32 36 40 -10 1 (0)

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Chapter1: Units, Trigonometry. And Vectors
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2. A ball is thrown vertically upward from the ground with a speed of 20 m/s. For this problem
only, use g = 10 m/s²
a) How long does it take to reach its highest point?
b) How high does the ball rise?
c) At what times will the ball be 18 m above the ground?
Hint for Problem 2:
x (m)
Position as a function of time
10
0
00 04 08 12 16 20 24 28 32 36 40
v (m/s) Velocity as a function of time
20
0
04 08 12 16 20 24 28 32 36 40
-20
a(m/s/s)
10
Acceleration as a function of time
0
04 08 12 16 20 24 28 32 36 40
-10
●0||0||||0||
(1)
(1)
Transcribed Image Text:2. A ball is thrown vertically upward from the ground with a speed of 20 m/s. For this problem only, use g = 10 m/s² a) How long does it take to reach its highest point? b) How high does the ball rise? c) At what times will the ball be 18 m above the ground? Hint for Problem 2: x (m) Position as a function of time 10 0 00 04 08 12 16 20 24 28 32 36 40 v (m/s) Velocity as a function of time 20 0 04 08 12 16 20 24 28 32 36 40 -20 a(m/s/s) 10 Acceleration as a function of time 0 04 08 12 16 20 24 28 32 36 40 -10 ●0||0||||0|| (1) (1)
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