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s2008m [1.1K]
3 years ago
7

At what angle should an object be thrown so that the maximum range is equal to three times the height reached by the projectile?

Physics
1 answer:
Delvig [45]3 years ago
5 0
This link might help you: https://www.quora.com/At-what-angle-to-the-horizontal-should-a-body-be-projected-so-that-maximum-height-reached-is-equal-its-horizontal-range
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How many times louder is the intensity of sound at a rock concert in comparison with that of a whisper, if the two intensity lev
Phoenix [80]

Answer:

 5 × 10¹⁰ or 5 billion times louder is the intensity of sound at a rock concert in comparison with that of a whisper

Explanation:

Given that at a rock concert;

the intensity of sound is 110 dB compared to a whisper of 3 dB

Now; how many times louder will that of the whisper be compared to the sound of the rock concert

Using the formula for calculating decibels (dB);

For 110 dB

dB = 10log₁₀(W)

110 dB =  10^{(110/10)}

110 dB = 10¹¹

For 3dB

dB = 10log₁₀(W)

3 dB = 10^{(3/10)}

3 dB = 2

Now:

(110/3)dB = 10¹¹/2

(110/3)dB =  5 × 10¹⁰ or 5 billion times louder is the intensity of sound at a rock concert in comparison with that of a whisper

7 0
3 years ago
Convert 100 Newton into dyne​
Inga [223]

Answer:10000000

Explanation:

5 0
3 years ago
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TRUE OR FALSE Light can travel through materials that you cannot see through, like wood or aluminum foil.
Keith_Richards [23]

i think its uhh......tralse

8 0
2 years ago
When you accelerate in a car and are pushed back into your seat, you are experiencing _______, which is registered by your _____
il63 [147K]

Answer:

E) linear motion; otolith organs 100%

Explanation:

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3 years ago
For maximum radiation protection the suggested distance between array fan-beam scanner source and the operator is:
krok68 [10]

For maximum radiation protection the suggested distance between array fan-beam scanner source and the operator is 2m.

The Fan beam 5 position reference system (PRS) uses accurate time-of-flight laser technology to determine vessel position relative to custom reflectors.

A fan beam allows only the measurement of the azimuth angle. A fan beam, one with a narrow beam width in azimuth and a broad beam width in elevation, can be obtained by illuminating an asymmetrical section of the paraboloid.

The operators’ desk should be positioned at least 1m away from a pencil beam, and at least 2m from a fan-beam system. Some older models, that are not now common, require a distance of 3.5 m.

To learn more about scanner here

brainly.com/question/28174696

#SPJ4

4 0
1 year ago
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