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satela [25.4K]
3 years ago
5

A cup falls off of a table from a height of 0.75 m. What is the impact speed of the cup?

Physics
2 answers:
Artemon [7]3 years ago
3 0
3.83 meters per second.
andrew-mc [135]3 years ago
3 0

Answer:

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

K.E=P.E

\dfrac{1}{2}mv^2=mgh

Where,

M = mass of the cup

v = velocity of cup

g = acceleration due to gravity

h = height

Put the value into the formula

\dfrac{1}{2}v^2=gh

v=\sqrt{2gh}

v=\sqrt{2\times9.8\times0.75}

v=3.83\ m/s

Hence, The impact speed of the cup is 3.83 m/s.

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