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What is most nearly the velocity of the block at position b

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Reference no: EM131136546

1. The 52 kg block shown starts from vast at position A and slides down the Inclined plane to position B. The coefficient of friction between the block and the plane is μ = 0.15.

2453_Figure.png

What is most nearly the velocity of the block at position B?

(A) 2.4 m/s

(B) 4.1 m/s

(C) 7.0 m/s

(D) 9.8 m/s

2. A 1530 kg car is towing a 300 kg trailer. The coefficient of friction between all tires and the road is 0.80. The car and trailer are traveling at 100 km/h around a banked curve of radius 200 in. What is most nearly the necessary banking angle such that tire friction will NOT be necessary to prevent skidding?

(A) 8.0°

(B) 21°

(C) 36°

(D) 78°

Reference no: EM131136546

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