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Q. A car travels along a horizontal curved road that has a radius of 600 m. If the speed is uniformly increased at a rate of 2000 km/h2, determine the magnitude of the acceleration at the instant the speed of the car is 60 km/h.

Q. A 5 cm-thick layer of oil is sandwiched between a 1 cm-thick sheet of glass and a 2 cm-thick sheet of polystyrene plastic.

How long (in ns) does it take light incident perpendicular to the glass to pass through this 8 cm-thick sandwich?

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Category:- Physics
Reference No.:- M9284024

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