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den301095 [7]
3 years ago
5

On Mars, which has 0.38 the gravity of Earth, the acceleration of

Physics
1 answer:
Snezhnost [94]3 years ago
6 0

Answer:

if g on Earth= 9.8m/s²

then g on moon will be 0.38 *9.8=3.7m/s²

Mass of a basketball player is 50kg then the weight will be 50*3.7=186.2N

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An oil layer that is 5.0 cm thick is spread smoothly and evenly over the surface of water on a windless day. What is the angle o
Fofino [41]

Answer:

32.1

Explanation:

NOTE: You did not state the angle of incidence, and thus, I will be using 45° as my angle of incidence, all you need to do is replace it with your own value if it's different.

To solve this question, we are going to be using Snell's Law.

Snell's law describes the relationship between the angles of incidence and refraction, when referring to light or other waves passing through a boundary between two different isotropic media, such as water, glass, or air.

Snell's law is mathematically given as

sin(A1)/sin(A2) = n2/n1, where

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n2 = refracted index

A1 = incidence angle

A2 = refracted angle

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if we take oil first,

sin A2 = (n1.sinA1)/n2

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sin A2 = 0.6149

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A3 = sin^-1 0.5317

A3 = 32.1

4 0
3 years ago
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