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thespeedoffallingrainisthesame10mabovegroundasitisjustbeforeithitstheground.Whatdoest...
the speed of falling rain is the same 10m above ground as it is just before it hits the ground.What does this tell you about whether or not the rain encounters air resistance?
How is the horziontal component of velocity for a projectile affected by the vertical component?
an airplane encounters a wind that blows in a perpendicular direction to the dirction its nose is pointing.Does the effect of this wind increase or decrease speed across the ground below?Or does it have no effect on ground speed?
a batted baseball follows a parabolic path on a day when the sun is directly overhead.How does the speed of the ball's shadow across the field company with the boll's horizontal component of velocity? 展开
How is the horziontal component of velocity for a projectile affected by the vertical component?
an airplane encounters a wind that blows in a perpendicular direction to the dirction its nose is pointing.Does the effect of this wind increase or decrease speed across the ground below?Or does it have no effect on ground speed?
a batted baseball follows a parabolic path on a day when the sun is directly overhead.How does the speed of the ball's shadow across the field company with the boll's horizontal component of velocity? 展开
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雨落下的速度是同一10m地面,因为它是前就撞向地面这告诉你关于是否遇到空气阻力的雨吗?
horziontal组成部分是如何的速度为一个弹丸受到垂直分量?
飞机上遇到一个风吹在垂直方向指向鼻子方向…这是风增加或减少的速度低于吗? 是否有任何影响地面速度吗?
一击打棒球跟一个抛物线路径一天当太阳在头顶如何把球的速度穿过田地的阴影与铃的水平方面的速度吗?
horziontal组成部分是如何的速度为一个弹丸受到垂直分量?
飞机上遇到一个风吹在垂直方向指向鼻子方向…这是风增加或减少的速度低于吗? 是否有任何影响地面速度吗?
一击打棒球跟一个抛物线路径一天当太阳在头顶如何把球的速度穿过田地的阴影与铃的水平方面的速度吗?
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