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Kazeer [188]
3 years ago
10

Help please I have to turn this in tonight!!

Physics
2 answers:
Svet_ta [14]3 years ago
4 0
False. In a neutral atom, the number of protons is equal to the number of electrons and the number of neutrons has to be determined by an equation.
inna [77]3 years ago
3 0

Answer:

True

Explanation:

i searched it up and well this thing is making me do it up till 20 characters long so yea

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An iron ball and an aluminum ball of mass 100 g each are heated to the same temperature and then cooled to a temperature of 20°
MrRa [10]

Answer:

The specific heat of aluminum is greater.

Explanation:

It lost the most heat.

7 0
3 years ago
Read 2 more answers
What do electrons in the same shell have in common? AThey have the same amount of energy incorrect answer BThey are all positive
Keith_Richards [23]

Answer:

They have the same amount of energy

Explanation:

Electrons are said to be the subatomic particles that move around the nucleus of an atom. These electrons are negatively charged particles that are seen to be quite smaller than the nucleus of an atom.  

The electron shells of these atoms are usually being filled from the inside out with the low-energy shells closer to the nucleus being filled before they can go into the much higher-energy shells that are a bit out

8 0
3 years ago
The force of gravity on a 60 kg woman is 588 N. The woman also exerts a gravitational force on
bulgar [2K]

Answer:

the same    588 N

Explanation:

3 0
2 years ago
A car is making a 40 mi trip. It travels the first half of the total distance 20.0 mi at 18.00 mph and the last half of the tota
sukhopar [10]

Answer: The average speed is 27,24 mph (exactly 1008/37 mph)

Explanation:

This is solved using a three rule: We know the speeds and the distances, what we can obtain from it is the time used. It is done like this:

1h--->18mi

X ---->20 mi, then X=20mi*1h/18mi= 10/9 h=1,111 h

1h--->56mi

X ---->20 mi, then X=20mi*1h/56mi= 5/14 h=0,35714 h

Then the average speed is calculated by taking into account that it was traveled 40mi and the time used was 185/126 h=1,468 h and since speed is distance over time we get the answer. Average speed= 40mi/(185/126 h)=1008/37 mph=27,24 mph.

5 0
3 years ago
A metallic circular plate with radius r is fixed to a tabletop. An identical circular plate supported from above by a cable is f
Vinil7 [7]

Answer:

Solution is given in the attachments,below.

7 0
3 years ago
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