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

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

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

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


Thus the collision occurs at at a fraction of 1/3 of height.
Answer:
Focus on the user and all else will follow.
Explanation:
People at Google have been focusing their efforts on the improvement of the user's experience. And you can tell by the design of their main page. A simple, clean design helps to focus on the content the user wants.
Their main goal is to design every possible tool that can be somehow useful for its users. Even the ads are designed in a way that doesn't distract you from your original search, and they have are somewhat relevant to your original search.
Answer: Social networks
Explanation:
Social networks comprises of the group of people in your circle, either colleagues or those you interact with.
The three major elements of Christian humanism are freedom, individual conscience, and rational inquiry. It's a mix of humanism and liberalism.
What is humanism?
Humanism is a philosophy based on the concept that human people are solely responsible for improving the world.
Christian humanists concentrated on biblical teachings and virtues learned through textbooks. Human dignity, attractiveness, and potential are emphasized. Freedom, individual conscience, and intellectual inquiry are central to Christian humanism.
As a result, the three main characteristics of Christian humanism is freedom, individual conscience, and rational inquiry.
Learn more about on humanism, here:
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The answer would be D) because it says in the answer that for ourselves and basically our generations after us.