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tensa zangetsu [6.8K]
3 years ago
6

True or False:

Physics
1 answer:
Leto [7]3 years ago
4 0
True
False
True
My answers
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Listening to the radio, you can hear two stations at once. Describe this wave interaction
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Actually says Pantazis, since their frequencies are so wildly different, brain waves don’t interfere with radio waves. Even if that was the case, brain waves are so weak, they are hardly measurable at all. For comparison, says Pantazis, “the magnetic field of the earth is just strong enough to move the needle of a compass. Signals from the brain are a billionth of that strength.”
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How high would a projectile go if it was launched from ground level with an initial speed of 26 m/s at an angle of 30 degrees ab
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Answer:

Vy = 26 m/s sin 30 = 13 m/s      vertical speed

t = Vy / a = 13 m/s / 9.80 m/s^2 = 1.33 sec     time to reach Vy = 0

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A rock at rest falls off a tall cliff and hits the valley below after 3.5s. What is the rocks velocity as it hits the ground
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T = 3.5 secs

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3 years ago
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' A ' is one crest of the wave.  After every wavelength, there's another one.

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3 years ago
When the mass of the bottle is 0.125 kg, the average maximum height of the beanbag is m. When the mass of the bottle is 0.250 kg
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Answer:

when the mass of the bottle is 0.125 kg, the average height of the beanbag is 0.35 m.

when the mass of the bottle is 0.250 kg, the average maximum height of the beanbag is 0.91m.

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when the mass of the bottle is 0.500 kg, the average maximum height of the beanbag is 1.57m.

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