fonsworth5
12.01.2021 •
Physics
How does Ocean currents, waves, and tides affect erosion and/or deposition.? Is erosion a purely destructive force, or does it have constructive aspects as well? Explain your answer and give examples.
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Ответ:
Explanation:
The question says that, "After how long does a mobile acquire a speed of 30 m / s, if it starts from rest and its acceleration is 3 m / s*2"
Initial speed is 0
Final speed is 30 m/s
Acceleration a = 3 m/s²
It is required to find time when it acquire a speed of 30 m/s. Using equation of kinematics as :
So, after 10 seconds it will acquire a speed of 30 m/s.