14. If an object is falling at 65 m/s. How long has it been falling? What is the formula that you use?

need help

The object has been falling for 6.63 seconds.

The formula to use is v = u + at

Explanation:

Step 1:

It is given that the object is falling at a velocity of 65 m/s. The object has started falling at time t = 0 with zero initial velocity and accelerates due to earth's gravity. Due to the acceleration its velocity keeps increasing with time as it falls towards the earth.

Step 2:

The first equation of motion is v = u + at

u is the initial velocity

a is the earth's acceleration due to gravity

v is the velocity at time t

Step 3:

It is given that v = 65 m/s, a = 9.8 m/s² u = 0, we need to find t.

t = (v - u)/a -> (65 - 0)/9.8 = 6.63 s

Step 4:

The object has been falling for 6.63 seconds.

The formula to use is v = u + at

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explanation:

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