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You accidentally slide a glass of iced tea off a table that is 0.75 m tall. How
long does it take the tea to hit the ground?
A. 0.54 s
B. 0.39 s
C. 0.23 s
D. 0.47 s

Sagot :

Favourayoleyiidn

Answer:

B

Explanation:

[tex] s= \frac{1}{2} gt ^{2} [/tex]

s=0.75

g=10

Mathmateidn

Answer:

0.39 seconds

Explanation:

Given:

Distance, S = 0.75 m

Acceleration due to gravity, g = 9.81 m/s^2

Initial (vertical) velocity, u = 0 m/s

Final velocity,

S = ut + (1/2)gt^2

0.75 = 0(t) + (1/2)(9.81)t^2

t^2 = 0.75/(9.81/2) = 0.1529 s^2

t = sqrt(0.1529) s.

= 0.391 s.

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