Physics, 20.02.2022 07:40 aliviafrancois2000
In a cathode ray tube, electrons flow from the negatively charged cathode to the positively charged anode. Cathode ray tubes may be small and compact, but they typically must be plugged in to function. The flow of electrons within this tube is:
Answers: 2
Physics, 21.06.2019 23:50
Select the correct answer from each drop-down menu. compared to its surroundings, the concentration of solutes is low inside a cell. so, the cell is with respect to its surroundings. a particular solute in this cell uses energy for its transport from the cell to its surroundings. this type of transport is called
Answers: 3
Physics, 23.06.2019 02:50
Orque can be calculated by multiplying the force (n) applied at 90โ to the lever arm at a distance (m) from the pivot point (point of rotation), the compound si unit for the torque is nโ
m. if the force (at 90โ 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
Physics, 23.06.2019 13:30
Acarpenter is driving a 15.0-g steel nail into a board. his 1.00-kg hammer is moving at 8.50 m/s when it strikes the nail. half of the kinetic energy of the hammer is transformed into heat in the nail and does not flow out of the nail. what is the increase in temperature of the nail after the three blows that the carpenter needs to drive the nail in completely? the specific heat of steel is 448 j/kg โ k. a) 2.7 k b) 1.8 k c) 7.7 k d) 8.1 k e) 3.6 k
Answers: 1
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