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pshichka [43]
3 years ago
11

a gold smith claims that an ornament is made up of pure gold of density 19.32g c/m2 . A chain made from gold weighs 25.25g . the

apparent weight of chain when immersed in water is 23.075g . determine the purity of gold​
Physics
1 answer:
Lina20 [59]3 years ago
3 0

Answer:

lllllllllloooooollll

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Suppose a woman raises a 65 N object in 2m in 4 seconds.
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Answer:

\huge\boxed{\sf P.E = 130\ Joules}

\huge\boxed{\sf P = 32.5\ Watts}

Explanation:

<u>Given Data:</u>

Weight = W = 65 N

Height = h = 2 m

Time = t = 4 secs

<u>Required:</u>

Power = P = ?

Work Done in the form of Potential Energy = P.E. = ?

<u>Formula:</u>

P.E. = Wh

P = P.E. / t

<u>Solution:</u>

P.E. = (65)(2)

P.E = 130 Joules

P = P.E. / t

P = 130 / 4

P = 32.5 Watts

\rule[225]{225}{2}

Hope this helped!

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