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rosijanka [135]
3 years ago
9

what would be a very very very very very GOOD science project the the COUNTY SCIENCE FAIR!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

!!!!!!!!!!
Physics
2 answers:
polet [3.4K]3 years ago
4 0
Pain relievers which ones work the best and how strong what would be the best to take
luda_lava [24]3 years ago
3 0

Answer: juice powered machine

Explanation:

It would be very fascinating

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Specific heat is the amount of heat required to raise the temperature of a material by 1°C per what unit?
nydimaria [60]

The heat required to raise the temperature of the unit mass of a given substance by a given amount (usually one degree).


or C. Mass if you're on plato

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3 years ago
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A competitive go-cart driver is traveling at a speed of 32m/s. He sees a caution flag go up and slows down at a rate of -1.5 m/s
djyliett [7]

Answer:

His final velocity is 15.8 m/s.

Step-by-step explanation:

Given:

Initial velocity of the driver is, u=32 m/s

Acceleration of the driver is, a=-1.5 m/s²

Time taken to reach final velocity is, t=10.8 s.

The final velocity is given using the Newton's equations of motion as:

v=u+at, where, v is the final velocity.

Now, plug in the given values and solve for v.

v=32-1.5(10.8)\\v=32-16.2=15.8\textrm{ m/s}

Therefore, his final velocity is 15.8 m/s.

5 0
3 years ago
What does this picture mean?
ivann1987 [24]
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be aware of large trucks on the roadway
Tip: usually, these signs are hazard signs or warning.
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5 0
3 years ago
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A child has a toy car on a horizontal platform. The car starts from rest and reaches a maximum speed in 4 s. If the mass of the
dmitriy555 [2]

Answer:

a=4m/s²

Explanation:

F=ma

0.4=0.1a

7 0
3 years ago
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Atoms with the same number of protons but with different electrical charges _____.
mash [69]

Answer:

Atoms with the same number of protons but with different electrical charges are different ions

Explanation:

Ions are defined as those atoms or molecules which carry charge

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