icantspeakengles
11.03.2020 •
Physics
A child does 350 J of work while pulling a box from the ground up to his tree house at a steady speed with a light rope. The tree house is above the ground. What is the mass of the box
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Ответ:
8.929kg
Explanation:
The work done to place the box at tree house=350 J.
The distance from ground to tree house =4.0 m and
Hence the mass of the box is 8.929kg
Ответ:
Hey mate
Explanation:
This is ur answer
There are 2 meanings
1 : a hole or passage burrowed by a worm.
2 : a hypothetical structure of space-time envisioned as a tunnel connecting points that are separated in space and time.
I hope it helps!
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