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Q1. A charge Q1 = -39.50 μC is fixed in place. A second charge Q2 is attached to a massless string which makes an angle of 24° regarding the vertical. Q2 is not moving (and not accelerating) and is located d = 34 cm straight to the right of Q1. Q2 has a mass of 19.2 kg.

What is the magnitude of the charge on Q2 (in μC)?

Q2. A 1050 kg car carrying four 84 kg people travels over a rough "washboard" dirt road with corrugations 4m apart which causes the car to bounce on its spring suspension. The car bounces with maximum amplitude while its speed is 24km/h. The car now stops, and the four people get out. By how much does car body rise on its suspension owing to this reduce in weight?

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  • Category:- Physics
  • Reference No.:- M9170462

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