5. Calculate the arc length S1 in the accompanying figure. R2 = 8 cm, R1 = 3cm, and S2 = 15.20 cm.S2R -R2-6. Calculate the buoyancy force acting on a partially immersed boat (V = 14 m³). The density of water is 1000kg/m³.7. A car starts from rest and accelerates to a speed of 45 mph in 25 s. The acceleration during this period isconstant. For the next 30 minutes that car moves with the constant speed of 45 mph. At this time the driverof the car applies the brake and the car decelerates to a full stop in 25 s. The variation of the speed of the carwith time is shown in the accompanying diagram. Determine the total distance travelled by the car and theaverage speed of the car over this distance.452518251850Time (s)Speed (mph)

Solution: Given Values, R1=3 cmR2=8 cmS2=15.20 cm

Answered: 5. Calculate the arc length S1 in the…

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5. Calculate the arc length S1 in the accompanying figure. R2 = 8 cm, R1 = 3cm, and S2 = 15.20 cm. S2 - R1 R2-