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2 years ago

What are two Cabinet-level positions?

Social Studies

1 answer:

julia-pushkina [17]2 years ago

7 0

Secretary of Defense and Secretary of State

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How did president Jefferson’s inaugural address reflect his beliefs about government

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He outlined his goals of a thrifty government and the support of states to better protect their freedoms than a large federal body.

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2 years ago

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

Which of the following is not a challenge to the Maasai way of life?

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Answer:

the loss of land to national parks

Explanation:

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2 years ago

How does human resources affect the development process

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Human resource development makes sure that manpower planning in an organization is not static but an ongoing process source Human resource Article (2009). It focuses on raising productivity through improved quality, efficiency, cost reduction and enabling customers concentrate on their core business activities.

Explanation:

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3 years ago