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A projectile is fired straight up at a speed of 15 m/s.
How long does it take to reach the top of its motion? The acceleration of gravity is 9.8 m/s2 .

  • physics - ,

    well, it starts off at 15m/s

    Every second, it loses 9.8m/s

    How long does it take to lose the whole 15 m/s?

    Yes, it really is as easy as it seems.

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