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31 October, 02:24

Superman needs to save Lois from the clutches of Lex Luthor. After flying for 8 seconds, he is 1716 meters from her. Then at 18 seconds he is 1236 meters from her. What is Superman's average rate?

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  1. 31 October, 02:33
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    To find the rate, you need to divide the change of distance by the change of time

    (1716-1236) / (18-8)

    =480/10

    =48

    Therefore, his rate is 48m/s
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