Physics, 12.03.2020 02:06 TrudnEli9904
Let's say you use a 1-foot basketball to represent the Sun and a pea to represent the Earth. About how far must they be placed apart to represent an accurate scale of the Sun to the Earth?
Answers: 2
Another question on Physics
Physics, 22.06.2019 10:30
J. j. thomson’s experiment disproved the theory that an atom
Answers: 3
Physics, 22.06.2019 14:00
Select for each of the following statements whether it is correct or incorrect. (a) in an isothermal expansion of an ideal gas. (b) the temperature remains constant. (b) the pressure remains constant. (c) there is work done by the gas. (d) there is heat added to the gas. (e) the change in internal energy equals zero.
Answers: 1
Physics, 23.06.2019 02:20
Aman is trying to drag a small tree that he cut down. if the static coefficient of friction of the tree on the ground is 0.5 and the tree weighs 670 n, what is the minimum amount of horizontal force that the man will need to apply so that the tree will start moving? o a. 465 n o b. 230 n o c. 670 n o d. 335 n
Answers: 2
Physics, 23.06.2019 02:40
An air standard cycle with variable specific heats is executed in a closed system and is composed of the following four processes. 1-2 isentropic compression 100 kpa and 22°c to 600 kpa 2-3 v=constant heat addition to 1500 k 3-4 isentropic expansion to 100 kpa 4-1 p=constant heat rejection to initial state (a) show the cycle on p-v and t-s s (b) calculate the net work output per unit mass (409 kj/kg) (c) determine the thermal efficiency (47.9%)
Answers: 1
You know the right answer?
Let's say you use a 1-foot basketball to represent the Sun and a pea to represent the Earth. About h...
Questions
Social Studies, 02.12.2021 07:10
English, 02.12.2021 07:10
Mathematics, 02.12.2021 07:10
Mathematics, 02.12.2021 07:10
Mathematics, 02.12.2021 07:10
Mathematics, 02.12.2021 07:10
Mathematics, 02.12.2021 07:10
History, 02.12.2021 07:10
History, 02.12.2021 07:10
Mathematics, 02.12.2021 07:10
