Answer:
Drop each ball from the platform three more times
Explanation:
Reliability or precision means how much the measured values vary from each other when measured by performing the same experiment repeatedly.
When measuring values by observation in physical experiments of this nature, it is best to perform the experiment and measure the values at least three times. The more the better.
In such measurements there is always a margin of error, e.g how at exact time you start and stop the stop-watch. There may also be a but harder or softer side of ball (tennis ball strip) touching the ground. In order to minimize such and some other margin of errors, it is advisable to measure the values more than 3-4 times, and then take their mean. The value now obtained would be would reliable or precise.
Second and third options are incorrect because they will have no effect on improving the reliability.
In order for the fourth option to be correct, the other people need to do the same (not similar) experiment, with the same balls and same conditions/instruments. That would be equivalent to repeating the experiment 3-4 times, which is already covered by first option.
1. Physical Issue with high use of digital technology - <em>Text Neck Syndrome</em>
Text Neck Syndrome or Anterior Neck Syndrome refers to strain in the neck and shoulders that is caused by flexing the neck forwards and downwards while using a smartphone. Increased usage of smartphones has increased the risk of text neck syndrome.
Solution: To reduce the risk of Text Neck Syndrome:
a) smartphone usage should be minimized
b) Hold your phone at eye level while using it
c) Perform gentle neck stretches.
2. Psychological Issue with high use of digital technology- <em>Low self-esteem</em>
Individuals of all ages, and especially adolescents, might experience low self-esteem, feelings of inadequacy and poor body-image due to high use of digital technology. This is because digital technology over-represents models or celebrities who are underweight. Additionally, platforms like [email protected] and [email protected] predominately display the glamorous side of life (parties, vacations, etc.) that are not an accurate reflection of reality.
Solution: The best solution for the aforementioned scenario would be to follow content that is positive, encouraging and motivational, such as well-being podcasts, [email protected] groups, [email protected] accounts, etc. Additionally, limiting usage of digital technology would also be helpful.
Answer:
how's mine????
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