Physics, 12.02.2021 17:20, destinyshanece08
An electric light bulb has an efficiency of 21%.
350 J of energy are supplied to the light bulb by electricity,
Calculate the amount of energy transferred as light.
Answers: 3
Physics, 22.06.2019 07:20, Nadi4753
Samir watches a 100-minute movie on his spaceship. maria's spaceshipe flies in the same direction as samir's spaceship but she observes his move to last 125 minutes and his spaceship to be 40 m long. how long does samir observe his own spaceship to be? according to an observer on earth, planet x is stationary. maria and samir depart earth on their spaceships at the same time, each flying at 0.5c. maria flies toward planet x and samir flies in the opposite direction. according to maria, her voyage to planet x takes 9 years. how many years does marias voyage take according to samir?
Answers: 3
Physics, 22.06.2019 16:20, brittanysanders
What is the mass of the water that is being heated? it requires 2,500 joules to raise a certain amount of water (c = 4.186 jig c) from 20.0°c to 60.0°c. o 159 o 40 g o 63 g o 80 g
Answers: 2
Physics, 22.06.2019 18:00, championroof
Acid precipitation chemically weathering a 5.0-kg limestone rock . which coukd be the result ?
Answers: 1
Physics, 23.06.2019 03:00, OliTepley5966
How can a cyclist's acceleration change even if its velocity remains constant?
Answers: 1
An electric light bulb has an efficiency of 21%.
350 J of energy are supplied to the light bulb by...
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