nguyenngochaidung nguyenngochaidung
  • 13-05-2024
  • Physics
contestada

Find the efficiency of a heat engine that absorbs 2000 J of
energy from a hot reservoir and exhausts 1 500 J to a cold
reservoir.
(a) 20%
(b) 25%
(c) 30%
2)
..ID:..

Relax

Respuesta :

Otras preguntas

3. Factor. 9x2 + 15x (Points : 1)        x(3x + 5)        3x(3x + 5)
he daily rainfall during two April weeks was: 1, 0.5, 0.3, 0, 0 ,0, 1.2, 3, 0, 1.1, 0.7, 2, 1.3, 2 inches. What was the median rainfall during the two weeks
How did Watson and cricks model of DNA incorporate the research of other scientists ?
How to solve 14d-2d=-84
How do you round 5 1/8 to the nearest whole number
Why is a collision with an iceberg unlikely to occur today.
Complete this sentence: Most living things use ____________ to make ____________ from glucose. a. oxygen, NAD+ b. ATP, oxygen c. oxygen, ATP d. NADH, NAD+
How to solve 14d-2d=-84
Two main proteins found in muscle are a. smooth and skeletal. b. tendons and ligaments. c. actin and myosin. d. myofibrils and fibers.
When was gunpowder invented?