Physics, 18.12.2020 01:00 winterblanco
A mass of 6.0 kg rests on the surface of a planet.
On this planet (not Earth), g = 20N/ kg (20 m/s²)
What is the weight of the object?
Answers: 1
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Avery hard rubber ball (m = 0.5 kg) is falling vertically at 4 m/s just before it bounces on the floor. the ball rebounds back at essentially the same speed. if the collision with the floor lasts 0.05 s, what is the average force exerted by the floor on the ball?
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Which is not a characteristic of a heat pump? a. it is used in air conditioners. b. it uses a refrigerant. c. it requires no work. d. it reverses the normal flow of thermal energy.
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In order of decreasing light-transmitting capabilities of materials, which is the correct sequence? a. transparent -> translucent -> opaque b. opaque -> transparent -> translucent c. opaque -> translucent -> transparent d. translucent -> transparent -> opaque
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Physics, 22.06.2019 13:00
The substances that are necessary for producing of certain hormones and that store and transport vitamins
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A mass of 6.0 kg rests on the surface of a planet.
On this planet (not Earth), g = 20N/ kg (20 m/s²...
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