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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-

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

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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 R - R2- 6. Calculate the buoyancy force acting on a partially immersed boat (V = 14 m³). The density of water is 1000 kg/m³. 7. A car starts from rest and accelerates to a speed of 45 mph in 25 s. The acceleration during this period is constant. For the next 30 minutes that car moves with the constant speed of 45 mph. At this time the driver of the car applies the brake and the car decelerates to a full stop in 25 s. The variation of the speed of the car with time is shown in the accompanying diagram. Determine the total distance travelled by the car and the average speed of the car over this distance. 45 25 1825 1850 Time (s) Speed (mph)
Transcribed Image Text:5. Calculate the arc length S1 in the accompanying figure. R2 = 8 cm, R1 = 3cm, and S2 = 15.20 cm. S2 R - R2- 6. Calculate the buoyancy force acting on a partially immersed boat (V = 14 m³). The density of water is 1000 kg/m³. 7. A car starts from rest and accelerates to a speed of 45 mph in 25 s. The acceleration during this period is constant. For the next 30 minutes that car moves with the constant speed of 45 mph. At this time the driver of the car applies the brake and the car decelerates to a full stop in 25 s. The variation of the speed of the car with time is shown in the accompanying diagram. Determine the total distance travelled by the car and the average speed of the car over this distance. 45 25 1825 1850 Time (s) Speed (mph)
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