Answer :
Answer:
- 4.08 sec
Explanation:
To find the time it takes for the object to reach a velocity of 40 m/s, we can use the equation of motion:
- v = u + at
Where:
- v = final velocity (40 m/s)
- u = initial velocity (0 m/s, as the object is dropped from rest)
- a = acceleration (in this case, acceleration due to gravity, which is approximately 9.8 m/s^2)
- t = time
Rearranging the equation, we have:
- t = (v - u) / a
- t = (40 - 0) / 9.8
- t ≈ 4.08 seconds
Therefore, it will take approximately 4.08 seconds for the object to have a velocity of 40 m/s.
- Q.E. :))
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