Physics, 17.07.2019 04:00 darkdragon67
Asystem absorbed 44 joules of heat from its surroundings. after doing work, the increase in the internal energy of the system is 32 joules. how much energy was used by the system to do useful work?
Answers: 2
Physics, 22.06.2019 01:10
If vx = 7.00 units and vy = -7.60 units, determine the magnitude of v⃗ . determine the direction of v⃗ .
Answers: 2
Physics, 22.06.2019 02:30
Awave travels at a speed of 5.2 m/s. if the distance between crests is 0.40 m, what is the frequency of the wave? use f=v/wavelength a. 13 hz b. 2.1 hz c. 0.077 hz d. 5.6 hz
Answers: 1
Physics, 22.06.2019 11:10
An isotope undergoes radioactive decay by emitting radiation that has a –1 charge. what other characteristic does the radiation have?
Answers: 3
Physics, 22.06.2019 12:00
The sun’s mass is 2.0×10^ 30 kg, its radius is 7.0×10 5 km, and it has a rotational period of approximately 28 days. if the sun should collapse into a white dwarf of radius 3.5×10 3 km, what would its period be if no mass were ejected and a sphere of uniform density can model the sun both before and after?
Answers: 3
Asystem absorbed 44 joules of heat from its surroundings. after doing work, the increase in the inte...
English, 27.02.2020 03:12
Mathematics, 27.02.2020 03:12
Mathematics, 27.02.2020 03:12
Mathematics, 27.02.2020 03:12
Biology, 27.02.2020 03:13
Arts, 27.02.2020 03:13
Mathematics, 27.02.2020 03:13
Mathematics, 27.02.2020 03:13