Physics, 06.03.2020 23:59, aruhter2843
Hold a pocket mirror about half an arm’s length from your face and see how much of your face you see in the mirror. To be able to see more of your face, should you hold the mirror closer or farther, or would you have to have a larger mirror?
Answers: 3
Physics, 22.06.2019 08:30, 2021arabellacorsino
An object weigh 40n in air ,weigh 20n when submerged in water, and 30n when submerged in a liquid of unknown liquid density. what is the density of unknown of liquid?
Answers: 1
Physics, 22.06.2019 11:30, lezapancakes13
Achlorine atom has 17 protons and 18 neutrons. what is its mass number? what is its atomic number?
Answers: 2
Physics, 22.06.2019 12:30, ayoismeisjjjjuan
Cathy is pedaling down a steep hill on her bicycle and wants to be able to coast up the next hill, which is 25 meters high, without pedaling. cathy and her bicycle have a mass of 75 kg. assuming her bicycle is 100% efficient, what would her speed have to be?
Answers: 3
Physics, 22.06.2019 14:30, samehajamal1234567
When the displacement of a mass on a spring is 12a the half of the amplitude, what fraction of the mechanical energy is kinetic energy? at what displacement, as a fraction of a, is the mechanical energy half kinetic and half potential?
Answers: 3
Hold a pocket mirror about half an arm’s length from your face and see how much of your face you see...
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