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vovangra [49]
3 years ago
9

Why is the answer A and not C?please help!​

Physics
1 answer:
MariettaO [177]3 years ago
4 0

Answer:

because it gives a complete thought

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Explanation:

5 0
3 years ago
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At what angle should the roadway on a curve with a 50m radius be banked to allow cars to negotiate the curve at 12 m/s even if t
kari74 [83]

Answer:

The road bank angle is 16.38⁰.

Explanation:

radius of curvature of the road, r = 50 m

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The bank angle is calculated as;

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where;

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g is acceleration due to gravity = 9.8 m/s²

\theta = tan^{-1} (\frac{v^2}{gr} )\\\\\theta = tan^{-1} (\frac{12^2}{9.8 \times 50} )\\\\\theta = tan^{-1} ( 0.2939)\\\\\theta = 16.38 ^0

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8 0
3 years ago
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Phantasy [73]
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3 0
2 years ago
if the net force of 15 N is exerted on an encyclopedia to cause it to accelerate at a rate of 5 m/s2. what is the mass of the en
Katarina [22]

Answer:

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