Answered

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Pls help me with this question its due tomorrow and I can't find the answer: A person jumped 50cm, the hang time for the jump was 0.778 seconds, calculate a value for the acceleration due to gravity. What is the percent error in the value for acceleration you found? (Solve it without factoring in the air)

Pls Help Me With This Question Its Due Tomorrow And I Cant Find The Answer A Person Jumped 50cm The Hang Time For The Jump Was 0778 Seconds Calculate A Value Fo class=

Sagot :

Upendo

S = ut + 1/2gt²

where S = distance

50 cm = 0.5m

u is initial velocity = 0

S = 0*t + 1/2gt²

S = 1/2gt²

0.5 = 1/2 g (0.778²)

2*0.5 = g(0.778²)

1/(0.778²) = g

g = 1.65m/s²

The value of g is grossly errored due to the values obtained since the known value of g on earth is 9.8m/s² the obtained value rounds off to the value of g on moon.

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