Physics, 30.03.2020 19:07, tymiahill7244
A mother is helping her children, of unequal weight, to balance on a seesaw so that they will be able to make it tilt back and forth without the heavier child simply sinking to the ground. Given that her heavier child of weight WWW is sitting a distance LLL to the left of the pivot, at what distance L1L1L_1 must she place her second child of weight www on the right side of the pivot to balance the seesaw
Answers: 3
Physics, 21.06.2019 16:00, mohamedramadan
Apiano tuner uses a tuner to create a tone of 5.00 x 10Ā² hz. when a key on the piano is struck he hears 5 beats per second. what is a possible frequency of vibration for the piano string? 2500 hz 1300 hz 605 hz 495 hz
Answers: 1
Physics, 22.06.2019 12:30, spenceraniyah1
An engine undergoes a cycle as shown in the diagram. during a complete cycle the work done by the gas is 28.5Ć103 j and the energy transferred thermally out is 99.4Ć103 j. there are 1.5Ć1024 gas molecules and they have three active degrees of freedom. 6. (6 pts) during which process(es) is energy transferred thermally into the gas? a. 1ā2 b. 2ā3 c. 4ā1 d. 1ā2 and 4ā1 e. none of the above
Answers: 3
Physics, 22.06.2019 12:50, keilahsalmon
The vapour pressure of benzene is 53.3 kpa at 60.6 Ā°c, but it fell to 51.5 kpa when 19.0 g of a non-volatile organic compound was dissolved in 500 g of benzene. calculate the molar mass of the compound.
Answers: 2
Physics, 23.06.2019 02:50, raekwonpowell10
Orque can be calculated by multiplying the force (n) applied at 90ā to the lever arm at a distance (m) from the pivot point (point of rotation), the compound si unit for the torque is nā
m. if the force (at 90ā to the lever arm) applied is 15 n and it is applied at 2.0 m from the pivot point (point of rotation), what is the torque on the lever?
Answers: 2
A mother is helping her children, of unequal weight, to balance on a seesaw so that they will be abl...
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