PROBLEM 3 The 4250 lb automobile shown in Figure travels down the 10° inclined road at a speed of 20 ft/s. If the driver jams on the brakes. causing his wheels to lock determine how far s the tires skid on the road. The coefficient of kinetic friction between the wheels and the road is Uk 0.75 10° 20 ft/s

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Chapter1: Units, Trigonometry. And Vectors
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PROBLEM 3
The 4250-lb automobile shown in Figure travels down the 10° inclined road at a speed of 20 ft/s. If the driver jams on the brakes.
causing his wheels to lock determine how far s the tires skid on the road. The coefficient of kinetic friction between the wheels and the
road is μk 0.75.
PROBLEM 4
110⁰
20 ft/s
SULT
For a short time the crane in Fig. 6-7 lifts the 3.75 Mg bear with a force of F(8-282) kN, Determine the speed of the bearn when it has
risen s 5 m
Transcribed Image Text:PROBLEM 3 The 4250-lb automobile shown in Figure travels down the 10° inclined road at a speed of 20 ft/s. If the driver jams on the brakes. causing his wheels to lock determine how far s the tires skid on the road. The coefficient of kinetic friction between the wheels and the road is μk 0.75. PROBLEM 4 110⁰ 20 ft/s SULT For a short time the crane in Fig. 6-7 lifts the 3.75 Mg bear with a force of F(8-282) kN, Determine the speed of the bearn when it has risen s 5 m
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