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A motorcycle has a speed of 30 m / s. After braking, it decelerates with constant deceleration A = -3.0 m / s ^ 2

Calculates its speed after 3.0 s

2 Answers

6 votes

Answer:21

Step-by-step explanation:

User Lachezar Todorov
by
4.7k points
3 votes


a = \displaystyle(v-u)/(t)


-3 = \displaystyle(v - 30)/(3)


v -30 = -9


v = 21 m/s

User Honkskillet
by
4.3k points