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zysi [14]
2 years ago
7

Will the velocity of the book change as it moves across the surface WITH friction? Explain your answer.

Biology
1 answer:
8_murik_8 [283]2 years ago
4 0

Answer:

yes

Explanation:

Friction slows things down. It causes a opposite force on the book causing the speed to slow and come to a stop.

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A force is applied to a particle along its direction of motion. At what speed is the magnitude of force required to produce a gi
krek1111 [17]

Answer:

Explanation:

The detailed steps are as shown below

  • Recalling from F = ma
  • a = F/m
  • but magnitude of force F = √ [ 1 - v²/c²]

but acceleration twice as great as the force required to produce the same acceleration;

  • 2m = m / √[ 1 - v²/c²]
  • 2 = 1 / √ [ 1 - v²/c²]
  • square both sides ;

4 = 1 / [ 1 - v²/c²]

1/4 = 1 - v²/c²

v²/c² = 3/4

v/c = √ [3/4]

v = 0.87c

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v = 2.61m/s

5 0
3 years ago
Imagine that fully functioning kidneys have been successfully created through bioengineering. What data analysis would measure t
iren2701 [21]

Answer:

The correct data analysis and evidence is:

Analysis: Compare the percentage of different ethnic groups who receive kidney transplants before and after bioengineered kidneys are available.

Evidence: A greater percentage of African Americans, Asians, and Pacific Islanders, and Hispanic/Latinos receive transplants after bioengineered kidneys are available compared to before

Explanation:

Bioengineered organs may be used to repair organs that have been destroyed. If the bioengineered organs are identical to the initial ones, transplantation rejection may be reduced.

So, to assess the effectiveness of organ donation adoption in people of various ethnicities, we should compare the percentage of people of various ethnicities receiving organ transplants before and after bioengineered organs became viable, and look for signs of a higher percentage of people of various ethnicities receiving organ transplantation after bioengineered organs became available.

7 0
3 years ago
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