Physics, 27.08.2019 18:00 24wilsleaann
What is the density of a metal cube (exactly 2 cm on each side that weighs 21.6g?
Answers: 1
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Adolphin emits ultrasound at 100khz and uses the timing of reflections to determine the position of objects in the water. part a what is the wavelength of this ultrasound? assume that temperature of water is 20 degrees c. answer in cm
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Physics, 22.06.2019 22:00
On mars a rock falls an unknown vertical distance from a resting position and lands in a crater. if it takes the rock 2.5 seconds to fall, how high is the cliff the rock fell from? mars' surface gravity is 3.8 m/s2. a. 9.5 m b. 11.9 m c. 15.2 m d. 23.8 m
Answers: 1
What is the density of a metal cube (exactly 2 cm on each side that weighs 21.6g?...
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