physics

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An athlete executing a long jump leaves the ground at a 20° angle and travels 7.80 m.
(a) What was the takeoff speed?
1._____ m/s
(b) If this speed were increased by just 5.0%, how much longer would the jump be?
2.______ m

  • physics -

    I will be happy to critique your work.

  • physics -

    i don't know how to start

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