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2 years ago

LOL SOMEONE DO THIS FOR ME!!!

1 answer:

4 0

Build a filter.
Dig water from the ground

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Paul [167]

Answer:

Energy lost due to friction is 22 J

Explanation:

Mass of the ball m = 4 kg

Initially velocity of ball v = 6 m/sec

So kinetic energy of the ball $KE=\frac{1}{2}mv^2$

$KE=\frac{1}{2}\times 4\times 6^2=72J$

Now due to friction velocity decreases to 5 m/sec

Kinetic energy become

$KE=\frac{1}{2}\times 4\times 5^2=50J$

Therefore energy lost due to friction = 72 -50 = 22 J

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mass is lifted 1.8 m. What is the potential energy of the mass 4. A 100 kg

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In what type of order are you supposed to put it in?

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