一道英文的数学题…… 没看懂A child swings back and forth,reaching a maximum angle of 32° with the vertical.The swing is 3.4 m long and 0.75 m from the ground when at rest.What maximum height above the ground does the child reach.“The
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![一道英文的数学题…… 没看懂A child swings back and forth,reaching a maximum angle of 32° with the vertical.The swing is 3.4 m long and 0.75 m from the ground when at rest.What maximum height above the ground does the child reach.“The](/uploads/image/z/5915672-8-2.jpg?t=%E4%B8%80%E9%81%93%E8%8B%B1%E6%96%87%E7%9A%84%E6%95%B0%E5%AD%A6%E9%A2%98%E2%80%A6%E2%80%A6+%E6%B2%A1%E7%9C%8B%E6%87%82A+child+swings+back+and+forth%2Creaching+a+maximum+angle+of+32%C2%B0+with+the+vertical.The+swing+is+3.4+m+long+and+0.75+m+from+the+ground+when+at+rest.What+maximum+height+above+the+ground+does+the+child+reach.%E2%80%9CThe)
一道英文的数学题…… 没看懂A child swings back and forth,reaching a maximum angle of 32° with the vertical.The swing is 3.4 m long and 0.75 m from the ground when at rest.What maximum height above the ground does the child reach.“The
一道英文的数学题…… 没看懂
A child swings back and forth,reaching a maximum angle of 32° with the vertical.
The swing is 3.4 m long and 0.75 m from the ground when at rest.
What maximum height above the ground does the child reach.
“The swing is 3.4 m long and 0.75 m from the ground when at rest.”
一道英文的数学题…… 没看懂A child swings back and forth,reaching a maximum angle of 32° with the vertical.The swing is 3.4 m long and 0.75 m from the ground when at rest.What maximum height above the ground does the child reach.“The
秋千长3.4m,静止时距离地面0.75m.
计算:
0.75+(3.4-3.4*cos32)
摇摆是3.4 m从地面的长和0.75 m,当休息。
孩子反复摇摆,到达32°一个最大角度与垂直的。摇摆是3.4 m从地面的长和0.75 m,当休息。在地面之上的什么最大高度做儿童伸手可及的距离。