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A 190,000 W engine can accelerate from rest to a

A car's engine can accelerate a car from rest to 30 m/s in 6 s. if the car's mass is 1300 kg, what is the power of the engine?ca
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2. asked by Allison
3. 650 views
A 190,000 W engine can accelerate from rest to a top speed in 9 s. How much work did the engine do?
1. 1 answer
2. 3 views
A 20% efficient real engine is used to speed up a train from rest to 7.0 m/s. An ideal (Carnot) engine using the same cold and
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2. asked by Anonymous
3. 667 views
A rocket engine can accelerate a rocket launched from rest vertically up with an acceleration of 18.4 m/s2. However, after 49.6
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2. asked by Melissa
3. 873 views
If only external forces can cause the center of mass of a system of particles to accelerate, how can a car on level ground ever
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2. asked by Sandhya
3. 726 views
An ice sled powered by a rocket engine starts from rest on a large frozen lake and accelerates at +15.0 m/s2. At tl = 2.8 s the
1. 1 answer
2. asked by Ab
3. 753 views
A 1000 kg car can accelerate from rest to a speed of 25 m/s in 10 s. What average power must the engine of car produce in order
1. 3 answers
2. asked by Muqadas
3. 4,504 views
A 73kg human sprinter can accelerate from rest to 12m/s in 2.7s . During the same interval, a 27kg greyhound can accelerate from
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2. asked by Anonymous
3. 647 views
The engine of a locomotive exerts a constant force of 6.5 105 N to accelerate a train to 90 km/h. Determine the time taken for
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2. asked by dolapo
3. 5,901 views
The engine of a locomotive exerts a constant force of 8.5 105 N to accelerate a train to 90 km/h. Determine the time (in min)
1. 1 answer
2. asked by K
3. 430 views