1. Please solve all of these sums as early as possible.
1. A satellite is in a circular orbit 248 km above the equator of the earth, How far must it travel for its longitude to change by 66.0 degrees, Report your answer in km to 2 decimal places, Assume the radius of the earth is 6, 982.
2. Find the length of the arc s subtended by a central angle of 123°85' in a circle of radius 6.3 cm. Report your answer in cm to 2 decimal places.
3. A steel bar with a radius of 4 inches is being ground in a lathe. The surface speed of the bar is 11 ft/min. How many revolutions will the bar make in 38 sec. Report your answer to 2 decimal places,
4. The hour hand of a clock is 77.0 mm long. How far does the tip of the hand travel between 2 o'clock and 7 o'clock? Report your answer in mm to 2 decimal places.
1. Please solve all of these sums as early as possible.
1. A satellite is in a circular orbit 248 km above the equator of the earth, How far must it travel for its longitude to change by 66.0 degrees, Report your answer in km to 2 decimal places, Assume the radius of the earth is 6, 982.
2. Find the length of the arc s subtended by a central angle of 123°85' in a circle of radius 6.3 cm. Report your answer in cm to 2 decimal places.
3. A steel bar with a radius of 4 inches is being ground in a lathe. The surface speed of the bar is 11 ft/min. How many revolutions will the bar make in 38 sec. Report your answer to 2 decimal places,
4. The hour hand of a clock is 77.0 mm long. How far does the tip of the hand travel between 2 o'clock and 7 o'clock? Report your answer in mm to 2 decimal places.
