Physics, 22.07.2019 21:00 detrickboucicaut
Apaper airplane is thrown to the north from the top of a cliff with a speed of 2 km/h. the paper airplane lands 15 minutes (0.25 hours) later. how far from the cliff did the paper airplane land? a.0.25 km to the north b.0.5 km to the north c.0.7 km to the north d.1.5 km to the north
Answers: 1
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Many machines- including inclined planes such as ramps- increase the strength of the force put into the machine but decrease the distance over which the force is applied.
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A2000 kg car is rounding a curve of radius 200 m on a level road. the maximum frictional force the road can exert on the tires of the car is 4000 n. what is the highest speed at which the car can round the curve?
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Atruck with 34-in.-diameter wheels is traveling at 55 mi/h. find the angular speed of the wheels in rad/min, *hint convert miles to inches & hours to minutes:
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Apaper airplane is thrown to the north from the top of a cliff with a speed of 2 km/h. the paper air...
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