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Yuliya22 [10]
4 years ago
8

A physical change creates a new substance and is not reversible. Please select the best answer from the choices provided T F

Physics
1 answer:
Nezavi [6.7K]4 years ago
6 0
The best answer of the choices provided is the 'F', for 'False'.
A physical change does not create a new substance, and is reversible.
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UN COLET POSTAL ESTE IMPINS DE O MASA ORIZONTALA CU O FORTA F=40N.COLETU SE DEPLASEAZA PE O DISTANTA DE 1,5M CE LUCRU MECANIC EF
Wittaler [7]

Answer:

A POSTAL PACKAGE IS PUSHED BY A HORIZONTAL TABLE WITH A FORCE F = 40N. PACKAGE MOVES ON A DISTANCE OF 1.5M WHICH MECHANICAL WORK PERFORMS THIS FORCE

PT TEST

5 0
3 years ago
Suppose you have two small pith balls that are 5.5 cm apart and have equal charges of -29 nc?
zysi [14]
The question is missing, however, I guess the problem is asking for the value of the force acting between the two balls.

The Coulomb force between the two balls is:
F= k_e \frac{ q_1 q_2}{r^2}
where k_e=8.99\cdot10^9~N m^2 C^{-2} is the Coulomb's constant, q_1=q_2=29~nC=29\cdot 10^{-9}~C is the intensity of the two charges, and r=5.5~cm=0.055~m is the distance between them.

Substituting these numbers into the equation, we get
F=2.5~10^{-3}~N

The force is repulsive, because the charges have same sign and so they repel each other.
6 0
3 years ago
Can someone pleaseee help me!!!
geniusboy [140]

Answer:You had a hard one. so for the 3 one the egg will not Evan float at all so no it will not

Explanation:a egg is a fragile thing that can not float.

7 0
4 years ago
Questions: A study group of students is reviewing claims in an article that gamma rays are among the most dangerous type of elec
kvasek [131]

They should see if there are any sources of bias

Explanation:

The best way to ascertain the reliability of the claim in the article is to see if there is a source of bias.

A source of bias in the article can tell a lot about how reliable and trustworthy the article is. It will also give room to more research about the claim in the article from other sources.

It is possible for some elements of bias to be introduced into a set of observation due to preference and choices.

Learn more:

Bias brainly.com/question/328303

#learnwithBrainly

3 0
3 years ago
Earth's tides are primarily caused by _____.
Fiesta28 [93]
B.) The moon 

There you go.
8 0
4 years ago
Read 2 more answers
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