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dexar [7]
3 years ago
15

a block (mass 0.6kg) is released from rest at point A at the top of a ramp inclined at 36.9 degress above the horizontal. The bl

ock moves a distance of 4m along the ramp to point b at the bottom of the ramp. How much work is done by gravity as the block goes from a to b

Physics
1 answer:
bija089 [108]3 years ago
3 0
14.136 J as shown on the photo with two thought processes but overall same calculation

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A thin film of oil of thickness t is floating on water. The oil has index of refraction no = 1.4. There is air above the oil. Wh
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Explanation:

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t = \dfrac{0.5\times 675}{2\times 1.4}

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hence, the thickness of the oil is t = 120.5 nm

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