Please help.I need to pass this test
...
Answers: 1
Physics, 22.06.2019 10:10
Henry, whose mass is 95 kg, stands on a bathroom scale in an elevator. the scale reads 830 n for the first 2.4 s after the elevator starts moving, then 930 n for the next 2.4 s. part a what is the elevator's speed 4.8 s after starting? express your answer with the appropriate units.
Answers: 2
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 01:30
The first law of thermodynamics is as follows: ∆u=q-w , which means in a system is equal to added, minus done by the system. the units for these variables are in .
Answers: 1
Mathematics, 02.10.2019 21:30
Chemistry, 02.10.2019 21:30
Biology, 02.10.2019 21:30
History, 02.10.2019 21:30
History, 02.10.2019 21:30
Social Studies, 02.10.2019 21:30
Mathematics, 02.10.2019 21:30
Mathematics, 02.10.2019 21:30
Physics, 02.10.2019 21:30
Mathematics, 02.10.2019 21:30
Mathematics, 02.10.2019 21:30