Physics, 18.10.2019 00:00 cdeanrn8971
Aforce of 25.0 n is applied 30° above the horizontal to a 5.0 kg box to move it across a smooth surface having coefficient of kinetic friction 0.2. draw and label all the forces and calculate the acceleration of the box.
Answers: 1
Physics, 21.06.2019 22:30
Abug is 12 cm from the center of a turntable that is rotating with a frequency of 45 rev/min . what minimum coefficient friction is required so that the bug stays on the turntable?
Answers: 1
Physics, 22.06.2019 04:00
If steel is more dense that lake water, why can a boat float
Answers: 1
Physics, 22.06.2019 07:10
1. how much energy is needed to raise the temperature of 40.0 g of argon from 25c to 40c? the specific heat capacity of argon is 0.520 j/(g·k) 2a. 23.0 ml of 0.100 m hcl (standard) are added from a buret to neutralize 50.0 ml of an unknown basic solution. 2b. if the oh- produced in the previous reaction came from ca(oh)2, then what is the molarity of the ca(oh)2? 3.calculate the new freezing-point of a solution when 60.5 grams of cacl2 solute is dissolved in 0.612 kg of water. 4. what is the maximum number of moles of alcl3 that can be produced from 5.0 mol al and 6.0 mol cl2? 5. a sample of oxygen gas has a volume of 150 ml when its pressure is 0.923 atm. if the pressure is increased to 0.987 atm and the temperature remains constant, what will the new volume be? 6. nitrogen gas in a closed container at a temperature of 100.0 oc and 3.0 atm is heated to 300 oc. what is the pressure of the gas at the higher temperature?
Answers: 3
Physics, 22.06.2019 10:00
How are the crust and the inner core alike? a) they are both solid. b) they both have the same temperature. c) they are both under the same pressure. d) they are both very close to the center of the earth.
Answers: 1
Aforce of 25.0 n is applied 30° above the horizontal to a 5.0 kg box to move it across a smooth surf...
Mathematics, 13.03.2021 07:00
Mathematics, 13.03.2021 07:00
Social Studies, 13.03.2021 07:00
Mathematics, 13.03.2021 07:00
Mathematics, 13.03.2021 07:00
Mathematics, 13.03.2021 07:00
English, 13.03.2021 07:00
Mathematics, 13.03.2021 07:00
Mathematics, 13.03.2021 07:00