试题与答案

一个物体在地球上做自由落体运动,由静止开始下落4.9m所用时间是1.0s。已知月

题型:计算题

题目:

一个物体在地球上做自由落体运动,由静止开始下落4.9m所用时间是1.0s。已知月球上的重力加速度是地球上重力加速度的1/6,若该物体在月球上做自由落体运动,求:

(1)该物体在月球上由静止开始下落同样的高度4.9m所用的时间为多长?     

(2)由静止开始下落同样的时间1.0s的距离有多大?注:答案中可用根号表达。

答案:

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