Which of the following statements about floating objects is always true?
a.
the object’...
Physics, 31.01.2020 16:01 kitykay2776
Which of the following statements about floating objects is always true?
a.
the object’s density is greater than the density of the fluid on which it floats.
b.
the object’s density is equal to the density of the fluid on which it floats.
c.
the displaced volume of fluid is greater than the volume of the object.
d.
the buoyant force equals the weight of the object.
Answers: 3
Physics, 21.06.2019 22:30, IDespretlyneedhelp
Solar cell a produces 100 joules of energy, when a light source is shown on it for 3 minutes. solar cell b produces 200 joules of energy when the same light source is shown on it for 5 minutes. which solar cell works better? a) solar cell b, because it produces more energy. b) solar cell b, because it generates more power. c) solar cell a, because it produces energy quicker. d) solar cell a, because it generates a greater wattage. eliminate
Answers: 2
Physics, 22.06.2019 13:40, crayons18
An ideal otto cycle has a compression ratio of 10.5, takes in air at 90 kpa and 40°c, and is repeated 2500 times per minute. using constant specific heats at room temperature, determine the thermal efficiency of this cycle and the rate of heat input if the cycle is to produce 90 kw of power.
Answers: 2