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RUDIKE [14]
3 years ago
9

A 180kg mass at the earth’s surface weighs

Physics
1 answer:
Tems11 [23]3 years ago
5 0

Answer:

1764  N

Explanation:

W=mg=180*9.8= 1764 N

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1 year ago
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Answer:

a.After 15 second Mr Comer's speed =  1.7 m/s

b.Distance travelled by Mr.Comer in 15 seconds  =   18.75\ m

Explanation:

a. Lets recall our first equation of motion V_{f} =V_{i} + at

Now we know that V_{i} = 0.8m/s , a = 0.06\ m/s^2 and

t = 15 \ sec

Plugging the values we have.

V_{f} =V_{i} + at

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b.

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V_{f} ^2-V{i}^2 = 2as

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\frac{V_{f} ^2-V{i}^2}{2a} = 2as

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