- An ideal machine has an efficiency of:
a. 100%
b. 0%
c. 10%
d. 1000%...
Physics, 17.03.2020 22:29 brackendillman
- An ideal machine has an efficiency of:
a. 100%
b. 0%
c. 10%
d. 1000%
Answers: 3
Another question on Physics
Physics, 22.06.2019 08:00
Why is it important always to use horizontal bars in unit fractions when performing unit conversions?
Answers: 3
Physics, 22.06.2019 10:20
Assume that a person skiing high in the mountains at an altitude of h = 15100 ft takes in the same volume of air with each breath as she does while walking at sea level. determine the ratio of the mass of oxygen inhaled for each breath at this high altitude compared to that at sea level. assume that the air composition (i.e. % of air that is oxygen) is the same at sea level as it is at 15100 ft.
Answers: 2
Physics, 22.06.2019 12:00
Under the action of a constant force an object accelerates at 7.8 m/s2. what will the acceleration be if (a) the force is halved? (b) the object's mass is halved? (c) the force and the object's mass are both halved? (d) the force is halved and the object's mass is doubled?
Answers: 3
Physics, 22.06.2019 14:30
When the displacement of a mass on a spring is 12a the half of the amplitude, what fraction of the mechanical energy is kinetic energy? at what displacement, as a fraction of a, is the mechanical energy half kinetic and half potential?
Answers: 3
You know the right answer?
Questions
History, 17.07.2019 11:00
Advanced Placement (AP), 17.07.2019 11:00
Spanish, 17.07.2019 11:00
History, 17.07.2019 11:00
World Languages, 17.07.2019 11:00
Mathematics, 17.07.2019 11:00
Mathematics, 17.07.2019 11:00
Mathematics, 17.07.2019 11:00
