Physics, 08.01.2021 16:40 gamingisfun
An Archimedean screw is a screw within a closely fitting cover, so that water
can be raiscd when the screw is turned. The serew has a mechanical advantage
of 12.5. If the screw is turned several times, so that the input distance is 1.57 m,
how much water has been lifted upward by the serew?
Answers: 2
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Aprojectile is launched horizontally 10m above the ground and with an initial velocity of 15 m/s. a) determine the magnitude and direction of projectile velocity at t= 1.3s b) determine the magnitude and direction of projectile acceleration at t=1.3s
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Physics, 22.06.2019 07:00
Examine the equation. 23490th→23088ra+42he what kind of barrier would you need to block the radioactive particles from this reaction? a.a piece of paper b.a sheet of aluminum foil c. a two-inch block of lead d. a solid concrete block
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World class speed skaters can skate a 3,000-m course in about 4 minutes.what is their average speed for this course? a. 12.5 m/sb. 1.33 m/sc. 1.25 m/sd. 13.3 m/s
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Abowling ball rolling down the lane toward the pins has gravitational potential energy. a. no b. a lot of c. a little
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An Archimedean screw is a screw within a closely fitting cover, so that water
can be raiscd when th...
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