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adelina 88 [10]
3 years ago
5

When conducting this experiment, some procedures call for heating the substance several

Physics
1 answer:
Natalija [7]3 years ago
8 0

Answer:

when completing a science experiment it is important to run multiple tests do as to reduce the risk of any outliers of false results

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A convex mirror with a focal length 20 cm creates a virtual image 10cm away from the mirror. What is the position of the object?
nikdorinn [45]

Answer:

20 cm

Explanation:

d_{o} = distance of the object = ?

f = focal length of the convex mirror = - 20 cm

d_{i} = distance of the image = - 10 cm

Using the lens equation

\frac{1}{d_{o}} + \frac{1}{d_{i}} = \frac{1}{f}

\frac{1}{d_{o}} + \frac{- 1}{10} = \frac{- 1}{20}

d_{o} = 20 cm

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Question 4 of 20
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D

Explanation:

F = G m1 m2 / r^2       now double  r

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Distance per unit time

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Speed is the rate at which someone or something is able to move or operate.

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