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Arte-miy333 [17]
2 years ago
9

A block on a rough, horizontal surface is attached to a horizontal spring of negligible mass. The other end of the spring is att

ached to a wall. The spring is
compressed such that the block is located at position X. When the block-spring system is released, the block travels to the right through position Y and
continues to travel to the right through position Z. Free body diagrams for the block at positions X, Y, and Z are shown in the figure. At which position does the
block have the greatest kinetic energy?
A
х
B
Y
Z
The answer cannot be determined without knowing the exact speed of the block at each position.

Physics
1 answer:
Mekhanik [1.2K]2 years ago
7 0

Answer:

Z

Explanation:

It has the least potential energy in the spring because the spring expanded all the way meaning it is going the fastest

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here

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It took a bulldozer 62,000 J of work to move a rock 30 m. It took 5 minutes. How much force did the bulldozer have to apply?
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Find the diagram attached

From the diagram given, we can see that AB is the displacement

To get the length AB, we will have to use the Pythagoras theorem:

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Learn more here: brainly.com/question/19108075

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