Physics, 10.07.2019 12:00 mercydiaz84
John is riding a ski lift to the top of wildcat mountain. he removes his gloves and rapidly rubs his hands together to warm them up. what happens when john rubs his hands? a. the skin on his hands rapidly conducts heat, similar to metal. b. he traps heat between his hands because skin is an insulator. c. the particles in his hands vibrate faster because of friction. d. thermal energy moves from his fingertips to his palms. e. he simulates a fever that’ll raise his core body temperature.
Answers: 1
Physics, 21.06.2019 23:30
Which lists the main components of darwin’s theory of evolution? a. random mutations drive evolution; the evolution of a population happens slowly; organisms have common ancestors; organisms do not change. b. natural selection drives evolution; the evolution of a population happens slowly; organisms have common ancestors; organisms change over time. c. natural selection drives evolution; the evolution of a population happens rapidly; organisms have common ancestors; organisms change over time. d. random mutations drive evolution; the evolution of a population happens rapidly; organisms have common ancestors; organisms do not change.
Answers: 1
Physics, 22.06.2019 05:10
Which situation will have the highest resistance? a.long wire and high temperatureb.short wire and high temperaturec.long wire and cold temperaturedshort wire and low temperature
Answers: 2
Physics, 22.06.2019 14:40
Glass has a hardness that is in the middle of the hardness scale. what is the hardness of glass?
Answers: 1
Physics, 22.06.2019 16:30
He latent heat of vaporization for ethyl alcohol is 854 j/g. the amount of energy, rounded to the nearest whole number, needed to change 5.20 grams of ethyl alcohol from a liquid to a gas is
Answers: 2
John is riding a ski lift to the top of wildcat mountain. he removes his gloves and rapidly rubs his...
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