- Messages
- 31
- Reaction score
- 89
- Points
- 28
10)
Look firstly we'll find accn from newtons 2nd law
f=ma
60=30a a= deceleration
a= -2ms-2 (negative sign indicates that its declaration)
Now we'll use, a = (Vf - Vi)/t to get Vf
-2 = (Vf - 3)/0.50
Vf = 2m/s = C
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