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lawyer [7]
3 years ago
5

Which is the best description for the lines I and k

Physics
1 answer:
hodyreva [135]3 years ago
6 0
"Unknown, unspecified, unillustrated, undepicted, undescribed, undemonstrated, undefined, potentially non-existent."
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What is force??????<br> ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀​
8090 [49]

Answer:

Force is an external agency that change or tends to change the position of a body

6 0
3 years ago
Look at pic for question pls help
pentagon [3]

B IS YOUR ANSWER.

Soft sound has small amplitude and louder sound has large amplitude. Since, the second wave has large amplitude, it will have the loudest sound.

5 0
3 years ago
An ice cube tray full of water is put into a freezer. The water eventually reaches 0ºC and undergoes a phase change from a liqui
jek_recluse [69]

Answer:

a

Explanation:

the kinetic energy decreases which makes the molecules bond together, that makes them not be able to move much

3 0
3 years ago
Which of think following materials is the best is the best choice for an insulating material?
RSB [31]
You are correct, the answer is C. 

Good insulators are materials that do not allow heat, electricity, light or sound pass through easily. Materials like steel and silver (which are metals) are not good insulators because they make good conductors. They easily allow heat, electricity and the like pass through them. 

Thus, the answer is letter C. Rubber. 
7 0
3 years ago
A 90 kg person stands at the edge of a stationary children's merry-go-round at a distance of 5.0 m from its center. The person s
Paraphin [41]

Answer:

\omega = 0.016\,\frac{rad}{s}

Explanation:

The rotation rate of the man is:

\omega = \frac{v}{R}

\omega = \frac{0.80\,\frac{m}{s} }{5\,m}

\omega = 0.16\,\frac{rad}{s}

The resultant rotation rate of the system is computed from the Principle of Angular Momentum Conservation:

(90\,kg)\cdot (5\,m)^{2}\cdot (0.16\,\frac{rad}{s} ) = [(90\,kg)\cdot (5\,m)^{2}+20000\,kg\cdot m^{2}]\cdot \omega

The final angular speed is:

\omega = 0.016\,\frac{rad}{s}

3 0
3 years ago
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