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Alla [95]
3 years ago
14

Refraction occurs when a wave strikes an object and bounces off. True False

Physics
2 answers:
tresset_1 [31]3 years ago
8 0

Answer:

Explanation:

False reflection is bouncing off

Tanzania [10]3 years ago
4 0

Answer:

false

Explanation:

Refraction does not occur when a wave strikes an object and bounces off. This is what is known as reflection.

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A spring scale hung from the ceiling stretches by 5.2 cm when a 2.0 kg mass is hung from it. The 2.0 kg mass is removed and repl
pantera1 [17]
Physics - Damon, Wednesday, December 9, 2015 at 5:13am
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When the direction of an object changes, what happens to its velocity?
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3 years ago
(8c8p49) A 115g Frisbee is thrown from a point 1.00 m above the ground with a speed of 12.00 m/s. When it has reached a height o
IgorLugansk [536]

Answer:

The work done on the Frisbee is 1.36 J.

Explanation:

Given that,

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Initial speed of Frisbee, u = 12 m/s at a point 1 m above the ground

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W=\dfrac{1}{2}m(v^2-u^2)\\\\W=\dfrac{1}{2}\times0.115\times\left((10.9674)^{2}-(12)^{2})\right)\\\\W=-1.36\ J

So, the work done on the Frisbee is 1.36 J. Hence, this is the required solution.

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