A car accelerates uniformly from 18 km per hour to 36 km per hour in 5 minutes. The acceleration is-
Given,
v₁ = 18 km/h, v₂ = 36 km/h
and t = 5 min = 5/60 h = 1/12 h
Acceleration, a = v₁ – v₂ / t
= 36 – 18/ 1/12
= 216 kmh⁻²
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Given,
v₁ = 18 km/h, v₂ = 36 km/h
and t = 5 min = 5/60 h = 1/12 h
Acceleration, a = v₁ – v₂ / t
= 36 – 18/ 1/12
= 216 kmh⁻²
(D) 216 kmh⁻²