For each calculation, round your answer to nearest whole number.
What is the efficacy of a 60.0 W incandescent lightbulb that produces 830 lumens?
lm/W
What is the power of a CFL lightbulb that produces 825 lumens if its efficacy is 63.5 lm/W?
W
How many lumens does a 11.0 W LED lightbulb exhibit if its efficacy is 72.7 Im/W?
lumens

Aswimmer is determined to cross a river that flows due south with a strong current. initially, the swimmer is on the west bank desiring to reach a camp directly across the river on the opposite bank. in which direction shoud the swimmer head? a. the swimmer should swim southeast. b. the swimmer should swim south. c. the swimmer shuold swim northeast. d. the swimmer should swim due north. e. the swimmer should swim due east.