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Q1. A projectile is fired horizontally from a gun that is 44 m above flat ground; emerging from the gun with a speed of 37 m/s. (a) how long does the projectile remain in air? (b) At what horizontal distance from the firing point does it strike ground? (c) What is the magnitude of the vertical component of its velocity as it strikes ground?

Q2. For a damped oscillator with a mass of 320g, a spring constant 82N/m and a damping coefficient of 71g/s, what is the ratio of the amplitude of damped oscillations to the initial amplitude at the end of 28 cycles?

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