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What is the current time and date, and what is the weather like?

Mathematics

ScanSolve AI Answer

Answer

20 m

Step-by-step solution

3 steps
  1. Use the kinematic equation for maximum height where final velocity v=0v=0 m/s.

    v2=u2−2ghv^{2} = u^{2} - 2gh
  2. Substitute v=0v=0 m/s, u=20u=20 m/s, g=10g=10 m/s2^{2}

    02=(20)2−2(10)h0^{2} = (20)^{2} - 2(10)h 0=400−20h0 = 400 - 20h
  3. Simplify to solve for hh

    20h=40020h = 400 h=40020=20 mh = \frac{400}{20} = 20\ \text{m}

    Final answer: 20 m

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