You pull your sled through the snow a distance of 500 meters with a horizontal force of 200 newtons. how
much work did you do?
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Ответ:
here,F=200n
S=500M
w=200*500=100000joules
Ответ:
I assume this is the motion of the simple pendulum
T = 2π ×![\sqrt{\frac{L}{g } }](/tpl/images/1410/5251/d9f8d.png)
=>
= ![\sqrt{\frac{g2}{g1} }](/tpl/images/1410/5251/cde88.png)
Given T1= 3s g1= 9.79 g2= 9.82
=> T2 = 3.00459 s