Step-by-step explanation:
We have, Sorin hits a cricket ball straight up into the air. After 1.5 s, the ball is falling straight down with a speed of 6.5 m/s.
We want to find the initial vertical velocity of the ball.
The relation between initial speed, final speed, acceleration and time is given by using first equation of kinematics. Let v₀ is the initial speed. So,
Here, v = -6.5 m/s, t = 1.5 s and a = -g
So, the initial velocity of the ball is 8.2 m/s and the formula used is (1).
The answer is: [C]: " 2/3, 6/9, 8/12 " .
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The correct answer is 0.125. Each outcome is out of 8 possible outcomes. 1/8 = 0.125 . Therefore, 0.125 is your answer.
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Step-by-step explanation:
