Physics, 05.08.2019 18:30, darius7967
Amicrowave oven operating at 1.22 × 108 nm is used to heat 165 ml of water (roughly the volume of a teacup) from 23.0°c to 100.0°c. calculate the number of photons needed if 88.3 percent of microwave energy is converted to the thermal energy of water.
Answers: 1
Physics, 22.06.2019 06:00, nicollexo21
Using a pedometer, you walk 3000 steps in 20 minutes, so your speed is 150 steps/min. each of your steps is 0.7 m long. what is your speed? 150 steps/min=/s=/h
Answers: 1
Physics, 22.06.2019 07:00, marlenemedina247
World class speed skaters can skate a 3,000-m course in about 4 minutes. what is their average speed for this course? a. 12.5 m/sb. 1.33 m/sc. 1.25 m/sd. 13.3 m/s
Answers: 2
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