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Worksheets平抛运动 horizontal projectile motion
Total questions: 5
Worksheet time: 25mins
Name
Class
Date
1.
维尼用 2.6 N 的力推动 0.75 kg 的小球。
Winnie pushes a stationary ball of mass 0.75 kg with a force of 2.6 N.
小球加速度acceleration of the ball = (a) m s−2
2.
(续)已知 a=3.47 m s−2
小球从静止开始,在光滑桌面上滑动了 53 cm 后掉下.
The ball starts from rest, rolls on a smooth table for 53 cm and falls down.
小球离开桌子的水平初速
the horizontal
initial velocity of the ball leaving the table
= (a) m s−1
3.
(续) 已知 ux=1.92 m s−1
小球掉落后,在离桌子96 cm的地方落地。
After falling, the ball reaches the ground at a distance of 96 cm away from the table.
小球离开桌面后掉地所需的时间
the
time taken by the ball falls
= (a) s
4.
(续)已知 t=0.5 s
桌子的高度 The height of the table
= (a) m
5.
(续) 已知 ux=1.92 m s−1, t=0.5 s
小球掉到地面前的速率
the
speed of the ball right before it touches the ground
= (a) m s−1
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