Physics, 25.02.2022 01:10 jermainedwards
Sounds travel through the air with an average speed of 340 m/s. A girl drops a rock from a bridge to the water 20m below. After the rock strikes the water, how much time will be required for the sound of the splash to reach the girl's ear?
Answers: 3
Physics, 21.06.2019 14:50
Ingrid wrote the hypothesis below. if the temperature of a liquid increases, the density of the liquid decreases because the particles move farther apart. what are the variables in her hypothesis?
Answers: 3
Physics, 22.06.2019 11:20
If a rock is thrown upward on the planet mars with a velocity of 12 m/s, its height (in meters) after t seconds is given by h = 12t β 1.86t2. (a) find the velocity of the rock after two seconds. m/s (b) find the velocity of the rock when t = a. 12β3.72a m/s (c) when will the rock hit the surface? (round your answer to one decimal place.) t = s (d) with what velocity will the rock hit the surface? m/s
Answers: 1
Physics, 22.06.2019 13:40
Dao makes a table to identify the variables used in the equations for centripetal acceleration. what quantities belong in cells x and y?
Answers: 2
Physics, 22.06.2019 16:30
Each neuron shown in this figure innervates a group of muscle fibers. what is the term for a group of muscle fibers innervated by a single neuron?
Answers: 1
Sounds travel through the air with an average speed of 340 m/s. A girl drops a rock from a bridge to...
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