# physics

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A 49-kg lead ball is dropped from the leaning tower of Pisa. The tower is 55 m high.

(c) What is the speed of the ball 1.3 s after it is released?

• physics -

acceleration is 9.8m/s^2
That is, every second in increases by 9.8m/s

So, v after 1.3 seconds = 9.8*1.3 = 12.74m/s

• physics -

99m

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