Physics, 05.05.2020 14:11 fatherbamboo
Read the following characteristics of stars and choose the one that is correct. plz help quickly
A. Although all stars have the same brightness, Earth’s atmosphere makes some appear brighter than others.
B. All stars are the same size, but they release different amounts of light
C. If two stars give off the same amount of light, the closer one will appear brighter to us.
D. Smaller stars give off more light than larger ones
Answers: 2
Physics, 21.06.2019 21:20
Jason is a body builder. despite being more fit, he weighs more than his brother ryan, who is the same height. which is a possible reason? a. jason has more muscle mass than ryan does. b. jason has more body fat than ryan does. c. jason has more muscle mass and body fat than ryan does d. jason has less body fat than ryan does.
Answers: 1
Physics, 22.06.2019 05:30
An object weighs 40n in air, weighs 20n when submerged in water and 30n when submerged in a liquid of unknown density. what is the density of the liquid?
Answers: 2
Physics, 22.06.2019 09:30
Which of these is not a possible type of energy transformation? a. electrical energy into light energy b. sound energy into nuclear energy c. potential energy into kinetic energy d. kinetic energy into mechanical energy
Answers: 1
Physics, 22.06.2019 22:00
On mars a rock falls an unknown vertical distance from a resting position and lands in a crater. if it takes the rock 2.5 seconds to fall, how high is the cliff the rock fell from? mars' surface gravity is 3.8 m/s2.
Answers: 2
Read the following characteristics of stars and choose the one that is correct. plz help quickly
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