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Resolve a force of 20 N into two components at right angle, the line of action of one component making an angle of 45
A man walks westward on ship with a speed of 4 km/hr. The ship's propeller drives it 15 km/hr south. What is the actual speed of the man relative to the earth? What is the direction of his velocity?
The approximate speeds of three animals follows , but in different units of speed. Convert these data to m/s and arrange the animals in order of increasing maximum speed: fox, 1100 m/mm : cheetah , 70.8 mi/ hour; lion, 1900 km/day. ( 1m = 3.28ft., 1mi = 1.61 km.)
How long is a microcentury in minutes
The length and width of a lot in inches are 200 × 400. Express it's area in square meters
The distance to a village is recorded as 3.4 miles but the last figure is doubtful. Properly express this distance in feet.
The consumption of natural gas by a company satisfies the empirical equation V= 1.5t + 0.008t
The consumption of natural gas by a company satisfies the empirical equation V= 1.5t + 0.008t
A sink hole on the ground created by the collapse of an old underground mine measures 43.5 m × 37.9 m × 9.6 m . How much the volume of earth ( soil and rocks) in cubic meter is needed to fill the sink hole? Pay attention to the correct number of significant figures in all problems in this chapter
Factors affecting the adoption of new irrigation technologies
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