Asked by abeed
A speedboat moving at 30.0 m s-1 approaches stationary buoy marker 100 m ahead. The pilot slows the boat with a constant acceleration of -3.50 m s-2 by reducing the throttle.
a. How long does it take the boat to reach the buoy?
b. What is the velocity of the boat when it reaches the buoy?
a. How long does it take the boat to reach the buoy?
b. What is the velocity of the boat when it reaches the buoy?
Answers
Answered by
oobleck
30t - 1.75t^2 = 100
now use that to find
v = 30 - 3.5t
now use that to find
v = 30 - 3.5t
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