Asked by Jayd

A rocket traveling at 165 m/s is accelerated at a rate of -32.0 m/s.
a) How long will it take before the instantaneous speed is 0 m/s? It takes 5.156 s.
b) How far will it travel during this time?
Answered by bobpursley
I will be happy to critique your thinking on this.
Answered by Jayd
acceleration = -32.0 m/s
vf = 165 m/s
vi = 0
d = ?

Vf^2 = Vi^2 + 2ad
d = Vf^2 - Vf^2/2a
Answered by bobpursley
Yes, but the last line has a typo.
the second Vf is Vi
Answered by Jayd
d = 165^2/(2 x 32.0)
d = 425.390
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