abigailguzman4108
16.04.2021 •
Physics
If a graduated cylinder reads 32.6 ml of water and the level rises when a 6.8 ml object is placed in it, what is the new level of water in the cylinder?
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Ответ:
945 joules
Explanation:
Kinetic energy = 1/2(MV²)
Given parameters
Mass = 2.1kg
Velocity = 30m/s
K.E = 1/2(2.1 x 30²)
K.E = 1/2( 2.1 x 900)
K.E = 2.1 x 450
K.E = 945 joules