The "hot shot" heat engine operating between 40°C and 380°C has an efficiency that is 60% of that of an ideal Carnot engine operating between the same temperatures
If the "hot shot" engine absorbs heat at a rate of 60 kW, at what rate does it exhaust heat? A) 36 kW
B) 41 kW
C) 57 kW
D) 60 kW
B
Physics & Space Science
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A car is traveling north at 17.7 m/s After 12 s its velocity is 141m/s in the same direction. Find the magnitude and direction of the car's average acceleration
A) 0.30 m/s2, south B) 0.30 m/s2, north C) 2.7 m/s2, north D) 2.7 m/s2, south
Physics & Space Science
What does the prefix centi- stand for?
What will be an ideal response?
Physics & Space Science
The magnetic field in a superconducting solenoid is 3.0 T. How much energy per unit volume is stored in the solenoid, in J/m3? ?0 = 4?× 10?7 T ? A/m
What will be an ideal response?
Physics & Space Science
At least ________ % of stars host at least one planet
A) 70 B) 1 C) 10 D) 30
Physics & Space Science