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2 years ago

Examine women's challenges to modernization and development in South Africa?

Social Studies

1 answer:

Zinaida [17]2 years ago

3 0

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Explanation:

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Which of these statements is true about Valley Forge?

Ber [7]

A.) The Americans defeated the British during the war

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3 years ago

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A basketball is dropped from the edge of a cliff at the same time that second basketball is thrown upward from the ground. When

pentagon [3]

Answer:

The collision occurs at a height of 1/3 of the total height of cliff.

Explanation:

The situation is represented in the attached figure:

For the stone dropped from top of cliff we have

Initial velocity of drop= 0 m/s.

Now the time at which it attains a velocity of 2v is obtained from first equation of kinematics as

$v_{f}=u_{i}+gt\\\\2v=0+gt\\\\\therefore t=\frac{2v}{g}$

Thus the distance it covers in this time can be calculated using third equation of kinematics as

$v_{f}^{2}=v_{i}^{2}+2gh\\\\(2v)^{2}=2gh_{1}\\\\\therefore h_{1}=\frac{2v^{2}}{g}$

For the stone thrown upwards the velocity at collision is give as 'v' thus the velocity at which it is thrown upwards can be calculated by first equation of kinematics as

$v=v_{i}-gt\\\\\therefore v_{i}=v+gt\\\\v_{i}=v+g\times \frac{2v}{g}\\\\\therefore v_{i}=3v$

The height over which it changes it's velocity from '3v' to 'v' can be again obtained from third equation of kinematics as

$v^{2}=(3v)^{2}-2gh_{2}\\\\v^{2}=9v^{2}-2gh_{2}\\\\\therefore h_{2}=\frac{4v^{2}}{g}$

$\therefore h_{2}=2h_{1}$

Thus the collision occurs at at a fraction of 1/3 of height.

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3 years ago

True or false organism must compete for unlimited resources ?

Andreas93 [3]

Answer:

true

Explanation:

Organisms compete for the resources they need to survive- air, water, food, and space. In areas where these are sufficient, organisms live in comfortable co-existence, and in areas where resources are abundant, the ecosystem boasts high species richness (diversity).

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3 years ago

Marie has a diagnosis of borderline personality disorder. When she first saw her therapist, she immediately liked her, talked ab

Alex17521 [72]

Answer:

This would be an example of a mood swing or emotional swings

Explanation: From my understanding, it is common for people with BPD to have intense swings of emotion(it's one of the most common symptoms) Marie's mood swings would be very intense assuming she hasnt began treatment yet.

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3 years ago

What did the Wari and Moche people have in common?

garri49 [273]

Answer: Both were influenced by the Chavin religion.

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Examine women's challenges to modernization and development in South Africa?​

Examine women's challenges to modernization and development in South Africa?