A car accelerates uniformly from 10 m/s to 30 m/s in 5 s. Calculate acceleration and distance travelled.
Explanation
To calculate acceleration, we use the formula a = Δv / Δt, where Δv is the change in velocity and Δt is the time taken. Given that the initial velocity is 10 m/s and the final velocity is 30 m/s, and the time taken is 5 s, we can calculate the acceleration as a = (30 - 10) / 5 = 4 m/s². To calculate the distance travelled, we use the formula s = ut + 0.5at², where u is the initial velocity, t is the time, and a is the acceleration. Substituting the values, we get s = 10 * 5 + 0.5 * 4 * (5)² = 125 m.
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