Ask a New Question

A 20% efficient real engine

An inventor has developed a new, energy-efficient lawn mowerengine. He claims that the engine will run continuously for more
1. 1 answer
2. 81 views
An inventor has developed a new, energy-efficient lawn mowerengine. He claims that the engine will run continuously for more
1. 1 answer
2. 80 views
How does knowing that all engines waste some energy help engineers build a better engine?answers: They will look for ways to
1. 1 answer
2. asked by unknown 2.0
3. 23 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
1. 0 answers
2. asked by Anonymous
3. 683 views
A 40%-efficient car engine accelerates the 1300 kg car from rest to 20 m/s How much energy is transferred to the engine by
1. 1 answer
2. asked by andrea
3. 4,216 views
A heat engine is 20% efficient. If it loses 800 J to the cooling system and exhaust during each cycle, the work done by the
1. 2 answers
2. asked by Steve
3. 1,139 views
4.28) A. Calculate the horsepower needed for a 1200 kg car to climb to an altitude of 1000 m from sea level in 1 hr.B. If the
1. 0 answers
2. asked by Sean Francis C. Nocete
3. 634 views
How much work can a 22 kW car engine do in 60 seconds ifIt is 30% efficient It is 100% efficient
1. 1 answer
2. asked by Melissa
3. 2,593 views
Why is it impossible for a heat engine to be 100% efficient?a. Entropy always decreases in a heat engine b. Work cannot be done
1. 1 answer
2. asked by kricket
3. 90 views
Why is it impossible for a heat engine to be 100% efficient?A) Work cannot be done on a heat engine. B) Some heat is always lost
1. 1 answer
2. asked by Iwannaknow
3. 165 views