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Q. A projectile is fired at an upward angle of 45° from the top of a 308m cliff with a speed of 198 m/s. What will be its speed while it strikes the ground below? (Use conservation of energy.)

Q. A marble moving 1.48 m/s rolls off the top edge of a 125 cm high table. How far from base of the table did it strike the floor?

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Category:- Physics
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