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A tennis ball is traveling at 50 m/s and has a kinetic energy of 75 J. Calculate the mass of the tennis ball. |
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Answer» ONG>ANSWER: m = 0.06kg Explanation: KINETIC Energy (KE) = ½mv² KE = 75 J v = 50 m/s m = ? ➞ 75 = ½ × m × (50)² ➞ 75 = ½ × m × 50 × 50 ➞ m = 75 × 2/50 × 50 ➞ m = 150/2500 ➞ m = 0.06kg |
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