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Cerrena [4.2K]
3 years ago
12

If the atomic radius of Copper is 0.128 nm, calculate the volume of its unit cell in cubic nanometers. Round off the answer to t

hree significant figures. Do not include the units.

Physics
1 answer:
hodyreva [135]3 years ago
4 0

Explanation:

Below is an attachment containing the solution.

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Assume your mass is 84 kg. The acceleration due to gravity is 9.8 m/s 2 . How much work against gravity do you do when you climb
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M, mass=84 kg
height, h=3.9m
gravity, g= 9.8m/s2
W = F . d
F=force
d=Displacement
W=work done by force
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F= m g (Acting downward )
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Explain why it is esaier to climb a mountain on a zigzag path rather than one straight up the side. is your increase in gravitat
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More work done with less power

The increase in gravitational energy is the same as the height which is a function of gravitational energy is the same in both cases

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Climbing the mountain in zigzag pattern is easier because

1. The time it takes to climb increases so that the required power or rate of doing work decreases

2. Climbing in zigzag pattern affords the use of leverages by the sides

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