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anonymous
 one year ago
A baseball is hit almost straight up into the air with a speed of 22m/s. Estimate how high it goes and how ling it is in the air
anonymous
 one year ago
A baseball is hit almost straight up into the air with a speed of 22m/s. Estimate how high it goes and how ling it is in the air

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0looks like "almost straight up" should be considered as 90º angle for the initial velocity, i.e. only ycomponent, in such case the velocity for the ball at any time is: \[v(t)=v_0gt\] in this case \(v_0=22m/s\) the height of the ball at anytime is given by: \[y(t)=y_0+v_0t\frac{1}{2}gt^2\] to determine the time it takes to get to the highest point \(H\) we can set the speed to 0, since at that point the ball stops for an instant: \[v_0gt=0\] with the time we get from that eq. we can calculate \(H\) using the equation for \(y(t)\) give it a try!
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