Physics, 02.03.2020 21:48 halobry2003
A small immersion heater is rated at 350 W. Estimate how long it will take to heat a cup of water (assume this cup contains 250 mL) from 20oC to 60oC.
Answers: 3
Physics, 21.06.2019 17:00, ijohnh14
Which statement best describes who the period and frequency of electromagnetic was change between gamma rays and microwaves? a) the period and frequency stay the same. b) the period increases and the frequency decreases. c) the period decreases and the frequency increases. d) the period increases and the frequency increases.
Answers: 2
Physics, 22.06.2019 05:30, kaitlynmoore42
James is trying to prove newton's 2nd law of motion. he tries to move four different objects with different masses, shapes, and sizes from point a to point b. the objects are a toy car, a car, a refrigerator, and a kitchen table. after some experimentation, he finds that force is dependent on the mass of the object, rather than it's size or shape. the object that takes the most force to move is the
Answers: 1
Physics, 22.06.2019 13:00, maiahfogel1351
Which of the following are appropriate acceleration units?
Answers: 1
Physics, 22.06.2019 19:00, deonnaturner68p7hz7y
The direction of the current in an alternating current circuit remains constant. is direct. changes repeatedly. changes randomly.
Answers: 1
A small immersion heater is rated at 350 W. Estimate how long it will take to heat a cup of water (a...
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