Heat in physics grade 11
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Physics, 22.06.2019 02:00
In which of the following cases is work being done on an object? question 2 options: pushing against a locked door carrying a box down a corridor pulling a trailer up a hill suspending a heavy weight with a strong
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Physics, 22.06.2019 06:40
Use the right-hand rule for magnetic force to determine the charge on the moving particle. this is a charge.
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Physics, 22.06.2019 12:10
Point charges q1 = 51 µc and q2 = −27 µc are placed 1.0 m apart, with q2 on the right. what is the force (in n) on a third charge q3 = 19 µc placed midway between q1 and q2? (assume the positive direction is to the right. indicate the direction with the sign of your answer.)
Answers: 3
Physics, 22.06.2019 12:30
Consider a 1000 w iron whose base plate is made of 0.5 cm thick aluminum alloy 2024-t6 (ρ = 2770 kg/m3 and cp = 875 j/kg°c). the base plate has a surface area of 0.03 m2. initially, the iron is in thermal equilibrium with the ambient air at 22°c. assuming 90% of the heat generated in the resistance wires is transferred to the plate, determine the minimum time needed for the plate temperature to reach 200°c.
Answers: 1
Mathematics, 11.03.2021 20:50
Mathematics, 11.03.2021 20:50
Mathematics, 11.03.2021 20:50
English, 11.03.2021 20:50
Mathematics, 11.03.2021 20:50
Mathematics, 11.03.2021 20:50
Mathematics, 11.03.2021 20:50
Mathematics, 11.03.2021 20:50
English, 11.03.2021 20:50