Physics, 05.07.2019 15:30 bar23cardenine01
The student uses a spring as a spring balance. when the student hangs a stone from this spring its extension is 72mm the spring does not go past the limit of proportionality calculate the force exerted by the stone on the spring the spring constant = n/m
Answers: 1
Physics, 22.06.2019 03:50
A30 kg weight lies on top of a massless piston of area a = 0.01 m2 the exterior air is at a (constant) p =1 atm and t = 27 c. the interior gas is 0.4 moles of (ideal) n2 and it has initial temperature 27.00 degrees c. 1. what is the initial pressure in the interior? a. 29.4 kpa b. 130.7 kpa c. 101.3 kpa the next three questions concern what happens when an amount of heat q is slowly added to the interior, raising the piston by 1 mm and raising the interior temperature to 27.40 c
Answers: 3
Physics, 22.06.2019 07:00
Oxygen and hydrogen gas are at the same temperature t.what is the ratio of kinetic energies of oxygen molecule and hydrogen molecule if oxygen is 16 times heavier than hydrogen.
Answers: 3
Physics, 22.06.2019 08:00
5g of ammonium nitrate was dissolved in 60g of water in an insulated container. the temperature at the start of the reaction was 23.0°c and at the end it was 19.0°c. calculate the energy absorbed by the reaction.
Answers: 3
Physics, 22.06.2019 11:00
Which sound characteristic is not affected by the relative motion of an object
Answers: 2
The student uses a spring as a spring balance. when the student hangs a stone from this spring its e...
History, 15.01.2020 07:31
Social Studies, 15.01.2020 07:31
SAT, 15.01.2020 07:31
Chemistry, 15.01.2020 07:31
Mathematics, 15.01.2020 07:31
Mathematics, 15.01.2020 07:31
History, 15.01.2020 07:31
History, 15.01.2020 07:31
History, 15.01.2020 07:31