An object initially at rest falls freely. How long does it take the object to attain a speed of 70 m/s? (Take g=10m/s2)
To find the time it takes for an object to attain a speed of 70 m/s during free fall, we can use the formula:
v = g × t
Where:
v = 70 m/s (final velocity)
g = 10 m/s2
t is the time we're solving for.
Rearranging the equation to solve for time:
Substituting the values:
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