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Lina20 [59]
3 years ago
13

You go rock climbing with a pack that weighs 70 Newtons, and you reach a height of 30 meters. How much work did you do to lift y

our pack? W=F x D
Question 17 options:

1,200 J


2, 100 N


1, 200 N


2,100J
Chemistry
1 answer:
quester [9]3 years ago
6 0

Answer:

<h2>2,100 J</h2>

Explanation:

The work done by an object can be found by using the formula

workdone = force × distance

From the question we have

workdone = 70 × 30

We have the final answer as

<h3>2100 J</h3>

Hope this helps you

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The radius of a vanadium atom is 130 pm. How many vanadium atoms would have to be laid side by side to span a distance of 1.30 m
monitta

Answer:

5 000 000 (5 million atoms)

Explanation:

Let us assume that a vanadium atom has a spherical shape.

diameter of a sphere = 2 x radius of the sphere

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Radius of a vanadium atom = 130 pm

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The diameter of a vanadium atom = 2 x radius

                                                         = 2 x 130 x 10^{-12}

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