1. A car starts from rest and accelerates at a constant rate of 2.5 m/s2. What is the car's velocity after the car has traveled 100 m?

Explanation:

u (initial velocity) = 0

acceleration = 2.5 m/s²

s (distance) = 100 m

Then,

v² = u² + 2as

v² = (0)² + 2×2.5×100

v² = 0 + 500

v² = 500

v = √500

v = 10√5 m/s

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