Physics, 17.12.2020 23:40 dontcareanyonemo
How do simple machines use mechanical advantage to increase efficiency?
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
Physics, 22.06.2019 18:50
8.29 two streams containing pyridine and acetic acid at 25°c are mixed and fed into a heat exchanger. due to the heat-of-mixing effect, it is desired to reduce the temperature after mixing to 25°c using a stream of chilled ethylene glycol as indicated in the diagram. calculate the mass flow rate of ethylene glycol needed. the heat capacity of ethylene glycol at these conditions is approximately 2.8 kj/(kg k), and the enthalpy change of mixing (δmixh) is given below.
Answers: 3
Physics, 23.06.2019 10:00
If the moon rises at a given location at 6: 00 p.m. today, about what time will it rise tomorrow night?
Answers: 1
Physics, 23.06.2019 10:40
10. the kinetic theory of matter states that atomic particles will move if the temperature is above the freezing temperature of water atomic particles bounce off each other one time in their life atomic particles are constantly bumping off each other because particles are in direct contact with each other at all times all matter is made up of atomic particles which are in constant random motion
Answers: 1
How do simple machines use mechanical advantage to increase efficiency?...
Mathematics, 30.07.2019 18:20
Mathematics, 30.07.2019 18:20
World Languages, 30.07.2019 18:20
Mathematics, 30.07.2019 18:20
Mathematics, 30.07.2019 18:20
Mathematics, 30.07.2019 18:20
Mathematics, 30.07.2019 18:20
Mathematics, 30.07.2019 18:20