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Pavlova-9 [17]
3 years ago
12

In the illustration, which two simple machines are being used to enable the student to reach the door?

Physics
2 answers:
lisov135 [29]3 years ago
4 0
The answer will be D the wheel and axle her wheel chair and the ramp is the inclined plane.
vodka [1.7K]3 years ago
3 0
D. wheel-and-axle AND an incline plane
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Answer:

linear density of the string = 4.46 × 10⁻⁴ kg/m

Explanation:

given,

mass of the string = 31.2 g

length of string = 0.7 m

linear density of the string = \dfrac{mass\ of\ string}{length}

linear density of the string = \dfrac{31.2\times 10^{-3}\ kg}{0.7\ m}

linear density of the string = 44.57 × 10⁻³ kg/m

linear density of the string = 4.46 × 10⁻⁴ kg/m

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How to answer this question?
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