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kogti [31]
3 years ago
12

Please need help with ? Number 20

Physics
1 answer:
zubka84 [21]3 years ago
7 0

I would put B

Hope this helps!

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A helicopter is ascending vertically with a speed of 5.10m/s. At a height of 105 m above the Earth, a package is dropped from a
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Answer:

The time taken for the package to reach the ground is 20.6s

Explanation:

Given that the formula of distance is D = S×T where S represents soeed and T is time. So you have to substitute the following values into the formula :

distance = speed \times time

let \: distance = 105 \\ let \: speed = 5.10

105 = 5.1 \times t

5.1t = 105

t = 105 \div 5.1

t = 20.6 \: second \: (3s.f)

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Gold is called noble gas why
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This is what i found.
Gold<span> is a </span>noble<span> element because "in chemistry, the </span>noble<span>metals are metals that are resistant to corrosion and oxidation in moist air (unlike most base metals)."</span>
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