1. A wheel 30.0 cm in diameter moving along level ground made 145 complete rotations. How many metres did the wheel travel?
2. The side of the silo in Problems 19 and 20 needs to be painted. If each litre of paint covers 5.0 m2, how many litres of paint will be needed? (Round up to the nearest litre.)
3. You are asked to design a cylindrical water tank that holds gal with radius 18.0 ft. Find its height. (1 ft3 = 7.50 gal)
4. If the height of the water tank in Problem 23 were 42.0 ft, what would be its radius?
5. A ceiling is 12.0 ft by 15.0 ft. How many suspension panels 1.00 ft by 3.00 ft are needed to cover the ceiling?
6. Find the cross-sectional area of the dovetail slide shown in Fig.2.9.

Transcribed Image Text:

.90 cm 2.20 cm 1.90 cm 0.400 cm 0.400 cm 2.00 cm 2.00 cm 2.20 cm 3.50 cm 5.00 cm Cross section 3.50 cm