Mark accidentally dropped a ball from a building. After 6 seconds, the ball reaches the ground. Disregarding air resistance, how high is the building? (A) 4.9 m B 176.4 m C) 122.5 m D 49 m

Q: The capacitor of a defribrillator with 1 μF is charged to 9000 V. Calculate the stored charge.

A: The stored  potential energy in capacitor  is by the  Q=CVU=QV2U=CV22 Energy stored in the capacitor…

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Q: What will be the weight of a boy of mass

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Q: e 33.79h = 90

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Q: Please answer the following questions with solutions

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A: d1 = 2.5 km @45o north of west d2 = 4.70 km@60o south of east d3 = 5.1 km due east d4 = 7.2 km @55o…

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Q: Determine the least count of this Vernier caliper By V.Ryan A B 0.02 mm 0.05 mm 0.01 mm 1 3 4 5 6 7

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Q: Find voltage Current=2 A Resistance=2 Ohms

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Q: alculate the energy transferred when the temperature of 75cm³of water rises from 23°C to 54°C.

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Q: .. Find n₂ from the diagram below using Snell's law. 45° n₁ = 1.5 n₂ = ? 65°

A: