Answered

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An engineer carries a set of titanium rods, each with a length of and mass of , up a ladder from the floor of a fabrication facility. He sets them down on an overhead walkway above the floor. Unfortunately, as soon as he does of the rods roll off the walkway and fall to the floor. The engineer climbs back down and brings the fallen rods back up to the walkway. Calculate the change in gravitational potential energy of the engineer's set of rods

Sagot :

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Answer:

0.0512 kJ

Explanation:

From the given information, since the values were not given:

Then, Let assume that:

A set of 50 titanium rods is handled by the engineer, with 50cm length and 20g of mass.

The overhead walkway = 5.3 m

In this process, 12 rods roll of the walkway

We are to determine the change in the Gravitational P.E

Change in P.E = final P.E- initial P.E

Change in P.E = (50 mgh) - (0)

Change in P.E =  [tex](50\times \dfrac{20}{1000}\times 9.8 \times 5.3 )-0[/tex]

Change in P.E =  51.94 Joules

Change in P.E = 0.05194 Joules

Change in P.E ≅ 0.0512 kJ

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