Physics, 27.03.2020 01:50, jacksonhoyt8049
A small boat is crossing a lake on a windy day. During some interval of time, the boat undergoes the given displacement Δ → r . Δ → r = ( 3.29 m ) ^ ı + ( 2.67 m ) ^ ȷ During the same interval of time, the wind exerts the given constant force → F on the boat. → F = ( 281 N ) ^ ı − ( 135 N ) ^ ȷ What is the total work done on the boat by the wind over this period of time?
Answers: 2
Physics, 21.06.2019 23:30, rainbowsauxe
Aquarterback pedals 3.3meters southward and then run 5.7meters northward. whats the distance ? and whats the displacement?
Answers: 2
Physics, 22.06.2019 16:30, sti192
The air in an automobile tire with a volume of 2.60 ft3 is at 70°f and 21 psig. determine the amount of air that must be added to raise the pressure to the recommended value of 30 psig. assume the atmospheric pressure to be 14.6 psia and the temperature and the volume to remain constant. the gas constant of air is ru = 53.34ft⋅lbflbm⋅r(1 psia144 lbf/ft2) = 0.3704 psia⋅ft3lbm⋅r the amount of air that must be added to raise the pressure is lbm
Answers: 3
A small boat is crossing a lake on a windy day. During some interval of time, the boat undergoes the...
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