Physics, 05.01.2020 19:31 redrhino27501
What is an advantage of using wind for producing electricity instead of coal?
a) a lot of energy is produced by wind compared to coal
b) obtaining wind does not harm the environment, but obtaining coal does
c) using wind is less expensive than using coal
d) wind is abundant in certain areas, and coal is not abundant
Answers: 2
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A200-n force is applied to the foot-operated air pump. the return spring s exerts a 2.6-n·m moment on member oba for this position. determine the corresponding compression force c in the cylinder bd. if the diameter of the piston in the cylinder is 40 mm, estimate the air pressure generated for these conditions. state any assumptions. enter a positive number for the compression force c.
Answers: 2
Physics, 22.06.2019 19:40
Which of the following is a characteristic shared by both electron and light microscopes? a. they both employ the use of objective lenses. b. both microscopes require an internal camera to visualize the specimen. c. both microscopes have a resolving power of 0.01 nm. d. they both utilize white light to magnify the specimen.
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Physics, 22.06.2019 23:40
Acar jack with a mechanical advantage of 6 needs to produce an output force of 600 n to raise a car. what input force is required? 6 n 100 n 600 n 3,600 n
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Physics, 23.06.2019 02:00
How does changing the frequency affect the energy of the wave?
Answers: 3
What is an advantage of using wind for producing electricity instead of coal?
a) a lot of ene...
a) a lot of ene...
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