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Solved: Consider a 1400-kg car cruising at constant speed
Chapter 2, Problem 252(choose chapter or problem)
Consider a 1400-kg car cruising at constant speed of 70 km/s. Now the car starts to pass another car, by accelerating to 110 km/h in 5 s. Determine the additional power needed to achieve this acceleration. What would your answer be if the total mass of the car were only 700 kg?
Questions & Answers
QUESTION:
Consider a 1400-kg car cruising at constant speed of 70 km/s. Now the car starts to pass another car, by accelerating to 110 km/h in 5 s. Determine the additional power needed to achieve this acceleration. What would your answer be if the total mass of the car were only 700 kg?
ANSWER:Step 1 of 4
A car cruising at a constant speed to accelerate to a specified speed within a specified time. The additional power needed to achieve this acceleration is to be determined.
Assumptions are
1. The additional air drag, friction, and rolling resistance are not considered.
2. The road is a level road.