Physics
24.07.2021 16:38
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An object has a kinetic energy of 88 j and a mass of 45 kg, how fast is the object
An object has a kinetic energy of 88 j and a mass of 45 kg, how fast is the object moving?
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micahpauleen748
4,6(17 marks)
v=1.97
Explanation:
88=1/2x45v^2
88=22.5v^2
88/22.5=v^2
3.91=v^2
V=1.97
ellyssabailey2006
5,0(22 marks)
Crest: the top point of a wave
Trough: the lowest point of a wave
Wavelength: the distance from one crest to the next crest OR from one trough to the next trough
Amplitude: the distance the wave travels from the initial position (that would be that line in the middle) in either direction
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