Physics Unit2: Kinematics One Dimensional Motion (id: 6df6bb086)

本题目来源于试卷: Physics Unit2: Kinematics One Dimensional Motion，类别为 通用国际物理

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[填空题]
A foul ball is hit strailb0ltuad ),0ub 2lxe(ght up into the air with a speed of 30.0 m/s. 4r.e1buj607 fw( d g jr7su rzfu9;byn(use $g=10 \; m/s^2$, only fill in numerical value in the blank)
(a.) Calculate the time required for the ball to rise to its maximum height.    $s$
(b.) Calculate the time for the ball to fall back to the height at which it was hit.    $s$
(c.) Calculate the maximum height reached by the ball.    $m$
(d.) Calculate the ball's speed 2 seconds later.    $m/s$
(e.) Determine the time at which the ball pass a point 10 m above the point of contact between the bat and ball for the first time.    $s$
(f.) Determine the time at which the ball pass a point 10.0 m above the point of contact a second time.    $s$

参考答案:
空格1: 3.0  空格2: 6.0  空格3: 45.0  空格4: 10.0  空格5: 0.354  空格6: 5.65 


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