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A car's engine can accelerate

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
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?
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2. 2 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. 872 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
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2. asked by Ab
3. 753 views
WHat isn’t required to accelerate a 180,000. kg train engine at a rate of 2.0 m/s
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2. asked by Tess
3. 44 views
Your wheels might lock up when you(1 point) Responses slam on the brakes. slam on the brakes. accelerate too quickly. accelerate
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2. asked by smarty pants
3. 13 views
Which type of engine has a wheel with several blades mounted on a shaft that rotate a shaft when hit with heated air at a high
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2. 20 views
Question 2A rocket has a mass of 0.8 kg and an engine that provides 100 N of force. A second rocket is being designed to use the
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2. 38 views
Question 11A rocket has a mass of 0.8 kg and an engine that provides 100 N of force. A second rocket is being designed to use
1. 1 answer
2. 13 views