Asked by Cindy
a bullet leaves the barrel of a gun with the speed of 320m/s. the barrel is 80.0cm long. Assuming uniform acceleration, determine
a)the time it took
b)the acceleration of the bullet
a)the time it took
b)the acceleration of the bullet
Answers
Answered by
drwls
(a) Time = (barrel length)/(average speed)
= 2*(barrel length)/(exit speed) = 2L/V
(b) Length = (a/2) T^2
Use T from part A and solve for a
a = 2 L/T^2 = 2L*V^2/(4L^2)
= V^2/(2L)
= 2*(barrel length)/(exit speed) = 2L/V
(b) Length = (a/2) T^2
Use T from part A and solve for a
a = 2 L/T^2 = 2L*V^2/(4L^2)
= V^2/(2L)
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