Asked by Smith
A speedboat increases in speed from 21 m/s to 30.9 m/s in a distance 191 m.
a)Find the magnitude of its acceleration.
Answer in units of m/s^2.
b)Find the time it takes the boat to travel this distance.
Answer in units of s.
a)Find the magnitude of its acceleration.
Answer in units of m/s^2.
b)Find the time it takes the boat to travel this distance.
Answer in units of s.
Answers
Answered by
Henry
a. a = (V^2-Vo^2)/2d
a = (30.9^2-21^2)/382 = 1.35 m/s^2.
b. 21 + 1.35t = 30.9
1.35t = 9.9
t = 7.33 s.
a = (30.9^2-21^2)/382 = 1.35 m/s^2.
b. 21 + 1.35t = 30.9
1.35t = 9.9
t = 7.33 s.
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