A ball is thrown vertically upwards at an initial speed of 23 m s − 1 . What is the displacement of the ball 3 seconds after it was thrown?

asked May 21, 2021 211k views

5 votes

A ball is thrown vertically upwards at an initial speed of

23
m s
−
1
. What is the displacement of the ball 3 seconds after it was thrown?

7.4k points

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1 vote

Answer:

114m

Step-by-step explanation:

s=ut + 1/2 at^2

s=23 m/s ×3s + 1/2×3×3s^2×10m/s^2

= (69+45)m

= 114m

Ratherblue answered May 25, 2021

6.9k points

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