Water balloon drop experiment Height of drop: 200m Time it takes for water ballo

Question

Water balloon drop experiment

Height of drop: 200m

Time it takes for water balloon to hit the ground (measure to nearest hundredth of a sec) : .40s

Use x=Vot+1/2at2  to determine the acceleration due to gravity. Assume the balloon is dropped from rest, so Vo=0.

The acceleration due to gravity of the earth=

What are the possible sources of error?

What is the percent difference between you value and the actual value (g=9.80m/s2)? Percent difference =(|experimental value- actual value| / actual value) x 100%

Explanation / Answer

Is it 6.40 seconds?? I think you typed 0.4 instead...

If it is 6.40, 1/2 * g*6.4^2 = 200

g = 9.7656 m/s^2

% diff = 9.7656-9.8/9.8 * 100

= 0.35%

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