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A car accelerates from rest at 3.6m/s^2. how much time does it need to attain a speed of 7 m/s? awnser in units of s.

A car accelerates from rest at 3.6m/s^2. how much time does it need to attain a speed of 7 m/s? awnser in units of s.
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a car accelerates from rest at 3.6m/s^2. how much time does it need to attain a speed of 7 m/s? awnser in units of s.

User Marty Trenouth
by
7.4k points

2 Answers

5 votes
general formula is acceleration= velocity / time
acceleration / velocity = time
3.6 / 7 = time
0.514 seconds = time
User Charles Chen
by
7.5k points
5 votes
initial velocity: 0
final velocity: 7 m/s
a = 3.6
t = ?
x = ?

(7-0)/3.6 = t
t = 1.94 s
User Ashish Tiwari
by
8.6k points
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