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a balloon is moving upwards with a speed of 5m/s when it is height 98m.a packet dropped from it.what is velocity of packet when it strikes the ground? |
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Answer» When the packet FALLS from the BALLOON it has an initial velocity of 5 m/s. The ACCELERATION is the acceleration due to GRAVITY which is 10m/s² S = 98m We will use the following equation of motion : V² = U² + 2gs V² = 25 + 2 × 10 × 98 V² = 1985 V = 44.55 m/s |
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