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Physics · Motion in a Straight Line
12:46
Question 14 of 30

A ball is thrown vertically upward with a speed of 20 m/s. What is the maximum height it reaches? (g = 10 m/s²)

A10 m
B20 m
C40 mYour answer
D80 m
Step-by-step solution
  1. 1At the maximum height, the final velocity v = 0.
  2. 2Apply v² = u² − 2gh → 0 = (20)² − 2 × 10 × h.
  3. 3h = 400 ÷ 20 = 20 m, so option B is correct.
v² = u² − 2gh saved to your formula drills

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