Physics, 13.03.2020 22:23 savanah111
Some species of jellyfish use jet propulsion to get around, a much gentler form of jet propulsion than squid use. A small jellyfish takes water into its bell; the total mass of jellyfish and water is 3.2 gg. The jellyfish then rapidly ejects 1.3 gg of water, achieving a speed of 0.070 m/sm/s. What is the speed of the ejected water?
Answers: 2
Physics, 21.06.2019 18:10
Keneila is attempting to ski down a 20 m high friction free hill for the first time. she has a speed 10 m/s at the top. what is her kinetic energy when she is a the bottom, 20 m ? (a)2500 j (b)9800 j (c)12300 j (d)3100j (e)15000j
Answers: 2
Physics, 21.06.2019 22:30
25pts the diagram shows the positions of the sun, moon and earth during spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?
Answers: 1
Physics, 22.06.2019 14:30
What distance does a car travel as its speed changes from 0 to 20 m/s in 17 s at constant acceleration?
Answers: 1
Some species of jellyfish use jet propulsion to get around, a much gentler form of jet propulsion th...
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