What average power was developed. a curve of radius 70 m is, Ask an Expert

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Q. A shot-putter accelerates a 7.3kg shot from rest to 14m/s. if this motion takes 1.5 s, what average power was developed?

Q. A curve of radius 70 m is banked for a design speed of 110 km/h. If the coefficient of static friction is 0.30 (wet pavement), at what range of speeds can a car safely make the curve?

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