Physics, 05.09.2020 22:01 ahrensy8444
The burner on an electric stove has a power output of 2.0 kW. A 650 g stainless steel tea kettle is filled with 20∘C water and placed on the already hot burner. If it takes 2.70 min for the water to reach a boil, what volume of water, in cm^3, was in the kettle?
Answers: 2
Physics, 20.06.2019 18:04
Question 9: use your experiences from questions 6, 7, and 8 to you state a general rule for identifying the three declination ranges given the observer's latitude.
Answers: 3
Physics, 21.06.2019 19:20
Aferris wheel is a vertical, circular amusement ride with radius 9 m. riders sit on seats that swivel to remain horizontal. the ferris wheel rotates at a constant rate, going around once in 9 s. consider a rider whose mass is 56 kg. at the bottom of the ride, what is the perpendicular component of the rate of change of the rider's momentum? at the bottom of the ride, what is the vector force exerted by the seat on the rider?
Answers: 1
Physics, 21.06.2019 23:30
Awoman stands a distance d from a loud motor that emits sound uniformly in all directions. the sound intensity at her position is an uncomfortable 2.0×10-3 w/m2. at a distance 2.6 times as far from the motor, what are (a) the sound intensity and (b) the sound intensity level relative to the threshold of hearing?
Answers: 1
The burner on an electric stove has a power output of 2.0 kW. A 650 g stainless steel tea kettle is...
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