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creativ13 [48]
3 years ago
7

In the "Design a Thermos" lab, the temperature of the thermos was compared with a container that was not insulated. What was the

purpose of that container?
Physics
2 answers:
zubka84 [21]3 years ago
8 0

Answer:

That container was a control—a basis for comparison.

Explanation:

took the test

Ivan3 years ago
4 0

Answer:

that container was a control, a basis for comparison

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A certain moving electron has a kinetic energy of 0.991 × 10−19 J. Calculate the speed necessary for the electron to have this e
alisha [4.7K]

Answer: The speed necessary for the electron to have this energy is 466462 m/s

Explanation:

Kinetic energy is the energy posessed by an object by virtue of its motion.

K.E=\frac{1mv^2}{2}

K.E= kinetic energy = 0.991\times 10^{-19}J

m= mass of an electron = 9.109\times 10^{-31}kg

v= velocity of object = ?

Putting in the values in the equation:

0.991\times 10^{-19}J=\frac{1\times 9.109\times 10^{-31}kg\times v^2}{2}

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It would mean that the change in motion or the acceleration of an object depends on both the size of the force and the mass of the object. Hence, the correct option is (c).

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Sup Milk,

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Evaporation = Energy is absorbed into a liquid to turn it into a gas.



6 0
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What is atom.......... ?​
aliina [53]

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hope this helps

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