Physics, 25.10.2019 21:43 PAADUUUgma
Someone drops a 50 − g pebble off of a docked cruise ship, 70.0 m from the water line. a person on a dock 3.0 m from the water line holds out a net to catch the pebble. (a) how much work is done on the pebble by gravity during the drop? (b) what is the change in the gravitational potential energy during the drop? if the gravitational potential energy is zero at the water line, what is the gravitational potential energy (c) when the pebble is dropped? (d) when it reaches the net? what if the gravitational potential energy was 30.0 joules at water level? (e) find the answers to the same questions in (c) and (d).
Answers: 3
Physics, 22.06.2019 05:00
In a stagnant pool of water, a crayfish may spend much of its time lying with one side of its carapace near the surface of the water. in this position, it will move the walking legs on that side in a rhythmic back-and-forth motion. explain the likely function of this behavior.
Answers: 1
Physics, 22.06.2019 12:30
Which governments provide garbage collection services to homes and businesses
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Physics, 22.06.2019 13:00
Discuss how the hardness or softness of the landing surface is related to the time required to stop the egg
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Physics, 22.06.2019 16:50
Which best describes the first law of thermodynamics as compared to the second law of thermodynamics? a. the first law describes how thermal energy is conserved but not the direction it moves. b. the first law describes the direction thermal energy moves but not how it is conserved. c. the first law describes how thermal energy can be created but not how it can be destroyed. d. the first law describes how thermal energy can be destroyed but not how it can be created.
Answers: 1
Someone drops a 50 − g pebble off of a docked cruise ship, 70.0 m from the water line. a person on a...
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