A ball is projected vertically up with a velocity of 20 m/s . its velocity when it reach 15 m height is
Answers
Answered by
1
Answer:
10m/s
Explanation:
u = 20m/s
s = 15m
a = -10m/s² [opposite direction]
v² - u² = 2as
v² - (20)² = 2(-10)(15)
v² - 400 = -300
v² = -300+400
v² = 100
v = √100
v = 10m/s
Answered by
1
Answer:
velocity is equal to distance upon time
20 ✖️ 15
20m/s
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