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Q. A water skier is pulled by a net force of 138 N and has an acceleration of 2.3 m/s2. What is the mass of the skier?

Q. Green light (λ = 546 nm) strikes a single slit at normal incidence. What width slit will produce a central maximum that is 3.00 cm wide on a screen 1.76 m from the slit?

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