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vesna_86 [32]
3 years ago
5

Susie Small finds she weighs 300 N. Calculate her mass.

Physics
1 answer:
alekssr [168]3 years ago
6 0

Answer:

30Kg

Explanation:

Weight = mass x gravitational field strength

300 = mass x 10

mass = 30kg

gravitational field strength is 9.8 on earth but normally we take it to be 10 for easy reference and calculations

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NeX [460]

Answer:

The resultant displacement is 5.8 cm, 31° South of the West axis ⇒ 4th

answer

Explanation:

<u><em>A resultant vector</em></u> is the combination of two or more single vectors

If the two vectors are perpendicular, then

<em><u>The magnitude</u></em> of the resultant vector = \sqrt{x^{2}+y^{2}},where

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<em><u>The direction</u></em> of the resultant vector is tan^{-1}\alpha, where α

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Vector 2 is 3 cm due to South-axis

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The West and South are perpendicular

The West is the horizontal vector and South is the vertical vector

The magnitude of the resultant displacement s is:

s=\sqrt{(5)^{2}+(3)^{2}}

s=\sqrt{25+9}

s=\sqrt{34}=5.8

The direction of the resultant displacement s is:

tan^{-1}\frac{3}{5}=31° south of the west (between the west and

the resultant displacement)

<em>The resultant displacement is 5.8 cm, 31° South of the West axis</em>

6 0
3 years ago
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Answer:

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Answer:

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lina2011 [118]

Answer:

A) By applying a known force, and measuring it's acceleration.

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