Physics, 07.10.2020 14:01 ayoismeisalex
PLEASE HELP IT'S THE END OF THE QUARTER AND I NEED HELP ON THIS TEST TO HELP MY FINAL GRADE !!!
Which waves in the electromagnetic spectrum are considered low energy waves? (2 points)
a. Sound waves and light waves
B. Gamma rays and X–rays
c. Microwaves and sound waves
d. Radio waves and microwaves
Answers: 1
Physics, 21.06.2019 23:30
Which simple machine is not part of this compound machine? a. lever b. pulley c. inclined plane d. wheel and axle
Answers: 1
Physics, 22.06.2019 11:30
If the textbook weighs 19.6 newtons on venus,what is the strength of gravity on venus?
Answers: 1
Physics, 22.06.2019 12:30
An ice-making machine inside a refrigerator operates in a carnot cycle. it takes heat from liquid water at 0.0 degrees celsius and rejects heat to a room at a temperature of 19.2 degrees celsius. suppose that liquid water with a mass of 76.3kg at 0.0 degrees celsius is converted to ice at the same temperature. take the heat of fusion for water to be l_f = 3.34*10^5 j/kg.how much energy e must be supplied to the device? express your answer in joules.
Answers: 1
Physics, 22.06.2019 16:40
The force needed to overcome static friction is usually less than that needed to overcome kinetic friction.true or false?
Answers: 1
PLEASE HELP IT'S THE END OF THE QUARTER AND I NEED HELP ON THIS TEST TO HELP MY FINAL GRADE !!!
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