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A cannonball is fired horizontally with a velocity of 250 m/s from the top of a cliff 90 m high.a. After how many seconds will it strike the ground? b. How far from the base of a cliff will the cannon ball strike the ground? |
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Answer» Answer: a. 0.36s Explanation: By formula of SPEED, Speed = Distance ÷ TIME LET Time be x 250m/s = 90m / x x = 9s/25 x = 0.36s And tan 90° is not defined Don't know |
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