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4 0

3 years ago

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A 4kg rock isn’t rolling 10m/s. Find it’s kinetic energy.

scoundrel [369]

Kinetic energy = (1/2) (mass) (speed)²

The rock's kinetic energy is not

(1/2) (4 kg) (10 m/s)²

= (1/2) (4 kg) (100 m²/s²)

= 200 Joules .

It may be more, or it may be less. The only thing
we can be sure of is that it is not 200 Joules.

3 0

3 years ago

Erica is working in the lab. She wants to remove the fine dust particles suspended in a sample of oil. Which method is she most

mash [69]

Option a is right answer that is reverse osmosis.

5 0

2 years ago

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What tissue does the skin of chicken wing attach to

stiks02 [169]

Piggly wiggly farttttttttttttttt corn beef beefed tripled beefed up on a Tuesday

Chacken Wangs

7 0

2 years ago