The body is thrown vertically upward with an initial speed of 20 m / s. What is the speed of the body 0.5 s after the start of movement?

Given: vertically upward, v0 = 20m / s, t = 0.5s.
Find: v
Decision :
Formula for body thrown upwards:
v = v0 – gt
v = 20m / s – 10m / s ^ 2 * 0.5s = 15 m / s
Answer: 15 m / s.



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