What is the magnitude of the charge on each sphere

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Reference no: EM1360235

Q. Two small metallic spheres, each of mass 0.20 g, are suspended as pendulums by light strings from a common point. The spheres are given the same electric charge, and it is found that they come to equilibrium when each string is at an angle of 7.0° with the vertical. If each string is 30.0 cm long, what is the magnitude of the charge on each sphere?

Q. A car crashes into a wall at 45 m/s and is brought to rest in 0.1 s. Calculate the average force exerted on a 80 kg test dummy by the seat belt.

Reference no: EM1360235

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