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il63 [147K]
3 years ago
8

Define average speed velocity​

Physics
1 answer:
Alex17521 [72]3 years ago
3 0
Answer !


Distance traveled divided by time
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A hiker walks 20.51 m at 33.16 degrees. What is the Y component of his displacement?
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Answer:

<em>The y component of his displacement is 11.22 meters</em>

Explanation:

<u>Components of the displacement</u>

The displacement is a vector because it has a magnitude and a direction. Let's suppose a displacement has a magnitude r and a direction θ, measured with respect to the positive x-direction. The horizontal component of the displacement is calculated by:

x=r\cos\theta

The vertical component is calculated by:

y=r\sin\theta

The hiker has a displacement with magnitude r = 20.51 m at an angle of 33.16 degrees. Substituting in the above equation:

y=20.51\sin(33.16^\circ)

y=11.22\ m

The y component of his displacement is 11.22 meters

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3 years ago
Describe the responses of the human ear to sound waves coming from the
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If the sound comes from the right side, the waves reach the right ear before the left ear. if the sound comes from the left side, the waves reach the left ear before the right ear. The difference between the phases of waves reaching both ears is detected by the ears and then interpreted by the brain

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if an average cloud has a density of 0.5 g/m3 and has a volume of 1,000,000,000 m3,what is the weight of an average cloud
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If you have (1 x 10⁹) cubic meters of volume, and 1/2 gram of mass
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On Earth, that mass weighs  4,900,000 newtons .

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