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Physics, 22.06.2019 22:30
The drag force, fd, imposed by the surrounding air on a vehicle moving with velocity v is given by fd = cdaρv 2/2 where cd is a constant called the drag coefficient, a is the projected frontal area of the vehicle, and ρ is the air density. an automobile is moving at v = 80 kilometers per hour with cd = 0.28, a = 2.3 m2, and ρ = 1.2 kg/m3.
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Physics, 23.06.2019 01:00
7types of electromagnetic waves from lowest to highest frequency
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A man dropped a dime in a wishing well , he heard it 5 sec later ..Find distance traveled if moving...
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