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**1. Homework Statement**

At a distance of 45 meters from a traffic light, a car traveling 15 m/s is brought to a stop at a constant deceleration

a) What is the value of Deceleration (-5m/s)

b) How far has the car moved when its speed has been reduced to 3 m/s

c) How many seconds would the car take to come to a full stop?

**2. Homework Equations**

I really want to solve this Physics based, but we need to use calculus to derive the equations. so there's no way of showing what equations i have used already

**3. The Attempt at a Solution**

I don't have an attempt at b and c because i don't know how to start them.

Help would be appreciated, it's the last two questions i have to do on an assignment for tomorrow. Please help