3 years ago

True or false: Only people that hold opinions of the group should get to express their opinion.

Physics

1 answer:

PilotLPTM [1.2K]3 years ago

5 0

Answer:

true

Explanation:

this is fair to other people

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Express the length of a marathon run of<br> 26 mi 385 yd in meters.<br> Answer in units of m.

hjlf

Answer:

1 mi = 5280 ft * 12 in/ft = 63360 in

A convenient conversion factor (to remember) is 1 m = 39.37 in

63360 in / (39.37 in / m) = 1609.3 m

26 mi + 285 m = 26 * 1609.3 + 385 = 42,228 m

6 0

3 years ago

A 6.00-m long string sustains a three-loop standing wave pattern as shown. The wave speed is 2.00 × 102 m/s.What is the lowest p

KATRIN_1 [288]

Given:

The length of the string is l = 6 m

The speed of the wave is

$v=2\times10^2\text{ m/s}$

Required: Lowest possible frequency for the standing wave.

Explanation:

The lowest possible frequency is the fundamental frequency.

The fundamental frequency can be calculated by the formula

$f=\frac{v}{2l}$

On substituting the values, the fundamental frequency will be

$\begin{gathered} f=\frac{2\times10^2}{2\times6} \\ =16.67\text{ Hz} \end{gathered}$

Final Answer: The lowest possible frequency for standing waves on this string is 16.67 Hz

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2 years ago

Ahsoka pulls a wounded soldier (mass 64 kg) across the ground with a force 18 Newtons. If they have an acceleration of 1.5 m/s2

Kryger [21]

Answer:

0.124

Explanation:

18-(9.81*64)*k=64*1.5

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3 years ago

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Is there a way to see the color of cosmic rays the human eye can't see

KATRIN_1 [288]

You would have to use a machine to convert the colors to one visible by humans or become some other species of animal with a larger light spectrum.

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3 years ago

A molecule of water (H2O) is made from combining two hydrogen atoms and one oxygen atomc. thermallya. physicallyd. chemicallyb.

labwork [276]

It is chemically combined

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3 years ago