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Consider the Earth and a cloud layer 900 m above the planet to be the plates of a parallel-plate capacitor.
(a) If the cloud layer has an area of 1.0 km2 = 1000000 m2, what is the capacitance?
(b) If an electric field strength greater than 3.0 multiplied by 106 N/C causes the air to break down and conduct charge (lightning), what is the maximum charge the cloud can hold?
think about the modes of substances in the gas phase and explain why potential energy is included in the thermal energy of some substances in the gas phase, when a monatomic solid/liquid turns into a gas, what are the PE and KE equal to then
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Water flowing through a hose at 4.0 m/s fills a 800L child's wading pool in 7.0min. What is the diameter in cm of the hose
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A jet plane passes over you at a height of 4990 m and a speed of Mach 1.75. Find the Mach cone angle
Two blocks are connected by a frictionless pulley as shown. Block A has a mass of 71 kg and block B has a mass of 150 kg. Find the acceleration a of block A (in m/s2)
A thin, light wire is wrapped around the rim of a wheel, If the suspended object moves downward a distance of 3.40m in 1.86s, what is the mass of the wheel
What average thermal power is produced as rock stops?
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