The impact speed of the cup is 3.83 m/s.
Explanation:
Given that,
Height = 0.75 m
We need to calculate the impact speed of the cup
Using kinetic and potential energy
Where,
M = mass of the cup
v = velocity of cup
g = acceleration due to gravity
h = height
Put the value into the formula
Hence, The impact speed of the cup is 3.83 m/s.
It is 45 mm hg
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