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Karo-lina-s [1.5K]
3 years ago
8

True or False

Physics
2 answers:
PIT_PIT [208]3 years ago
5 0

Answer:

False

Explanation:

A scientific endeavor is the combination of curiosity and societal needs. A scientist must always strive for his curiosity and his work to bring about technological advances that supersede the needs of society. An example of this is the scientific research used to discover new treatments and medicines to cure or lessen diseases that plague mankind and cause people much pain and suffering. Another example is the use of technology to meet the need for communication between people through smathphones and the internet. This was only possible because the scientific effort through a curiosity decided to diminish a need of society.

Allisa [31]3 years ago
4 0
False?


science can be a motivation out of curiosity AND societal needs.

For example:battery operated  cars, are a curiosity and beneficial to the earths environment
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4 0
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Object's velocity change
marshall27 [118]

the definition of acceleration in kinematics, allows to find that the correct answer is:

     2.  speed up  ( acceleration)

The kinematics study the movement of the body, the acceleration is defined as the change of the speed by the time in the interval

             a = Δv / t

Where the bold letters indicate vectors, a is the acceleration, v the velocity and t the time

Analyzing this expression we see that for there to be a change in velocity, there must be an acceleration of the body.

Let's analyze the different claims

1. True. If it is stopped and you start to move there is an acceleration, therefore there is a change in speed, but after you are moving the acceleration becomes zero and there is no change in speed

2. True. Whenever there is acceleration there is a change in speed

3. False. Moving slowly does not change the acceleration, therefore there is no change in speed

4. True. If you are moving and you stop at this moment there is an acceleration, therefore there is a change in speed, but after being stopped the acceleration is zero and there is no change in speed

5. False. If you change the direction at the instant of change there is an acceleration but after you go in the opposite direction there is not acceleration therefore there is no change in speed.

In conclusion using the definition of acceleration in kinematics, we can find the answer the condition for a change in velocity, the correct statement is:

     2.   speed up  ( acceleration)

Learn more here:  brainly.com/question/5063616

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Komok [63]

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