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gizmo_the_mogwai [7]
3 years ago
5

If a car has a momentum of 1000kgm/s and velocity of 500m/s, what is its mass

Physics
1 answer:
Dvinal [7]3 years ago
7 0

Answer:

hey u apply p=mv and 2 are given then calculate thirds value it's a simple do it

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A chemical reaction occurs. Which of the following would indicate that energy is transformed during the reaction?
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Three noise sources produce volume (loudness) levels of 70, 73, and 80 dB when acting separately. When the sources act together,
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Sound at 70 dB is 70 dB louder than the human reference level.  That's 10⁷ times as much as the reference sound power.

Sound at 73 dB is 73 dB louder than the human reference level.  That's 10⁷.³  or  2 x 10⁷  times as much as the reference sound power.

Sound at 80 dB is 80 dB louder than the human reference level.  That's 10⁸  or 10 x 10⁷ times as much as the reference sound power.

Now we can adumup:

Intensity of all 3 sources = (10⁷) + (2 x 10⁷) + (10 x 10⁷)

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Intensity in dB = 10 log (13 x 10⁷) = 10 (7 + log(13)

Intensity = 70 + 10 log(13)

Intensity = 70 + 10 (1.114)

Intensity = 70 + 11.14

Intensity = <em>81.14 dB</em>

<em>______________________________________</em>

Looking at the questioner's profile, I seriously wonder whether I'll ever get a comment in return from this creature, and how I'll ever find out if my solution is correct.  For that matter, I'm also seriously questioning how and whether my solution will ever be used for anything.

8 0
3 years ago
WILL GIVE BRAINLYST A flower pot is thrown out of a window with a horizontal velocity of 8 m/s. If the window is 1.5 m off the g
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t = 0.554 second

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Distance = (8 m/s) · (0.554 sec)

Distance horizontally = 4.43 meters
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3 years ago
I need help plz!!! Please help...
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Answer: 60

Explanation:

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