Physics, 01.07.2021 01:00 HomeWorkForLife
The universe could be considered an isolated system because
many people think that no energy or matter exists outside the universe
energy and matter are created in the universe and flow freely into and out of the universe
energy is created outside the universe and matter is created within the universe
energy is created in the universe and matter is transferred out of the universe
Answers: 3
Physics, 22.06.2019 04:20
Awave is produced in a rope. the wave has a speed of 33 m/s and a frequency of 22 hz.
Answers: 3
Physics, 22.06.2019 06:30
Apebble is thrown into a calm lake, ripples are formed from the center and move outward. the water particles in the lake travel in a circular pattern that moves up and down on the surface of a lake, and the energy travels a) diagonally. b) downward. c) horizontally. d) upward.
Answers: 2
Physics, 22.06.2019 11:50
Two resistors r1 and r2 may be connected either in series or parallel across an ideal battery with emf ε. we desire the rate of energy dissipation of the parallel combination to be 8.75 times that of the series combination. if r1 = 105 ω, what are the (a) smaller and (b) larger of the two values of r2 that result in that dissipation rate?
Answers: 2
Physics, 22.06.2019 14:10
The number of passengers who arrive at the platform of a subway station for the 10 am train is a random variable with a mean of 120 and a variance of 16. find the lower bound of the probability that there will be between 100 and 140 passengers (round off to second decimal place).
Answers: 3
The universe could be considered an isolated system because
many people think that no energy or mat...
History, 04.07.2019 13:00
History, 04.07.2019 13:00
History, 04.07.2019 13:00
Biology, 04.07.2019 13:00
Mathematics, 04.07.2019 13:00
Mathematics, 04.07.2019 13:00
History, 04.07.2019 13:00
History, 04.07.2019 13:00
Biology, 04.07.2019 13:00