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bija089 [108]
1 year ago
7

what are the speeds of (a) a proton that is accelerated from rest through a potential difference of −1000 v−1000 v and (b) an el

ectron that is accelerated from rest through a potential difference of 1000 v?
Physics
1 answer:
Evgen [1.6K]1 year ago
5 0

Answer:

This is the answer: The speed of a proton is about 5.0 × 10⁵ m/s

Explanation:

Because of the speeds of protons! :D

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An atoms valence electrons are those electrons that have the highest energy true or false
bazaltina [42]

Answer:

True

Explanation:

An atom's valance electrons are those electrons that have the highest energy. Atoms tend to be stable and nonreactive if they have the highestvalence electrons. In the periodic table, the number of valence electrons in each element decreases from left to right across each period.

4 0
4 years ago
(b) The output current of the generator is 2.0A. The output potential difference (p.d.) of the
Luden [163]

Answer:

P = 22 watts

Explanation:

Given that,

The output power of the generator = 2 a

The output potential difference = 11 V

We need to find the output power of the generator. The formula for the output power is given by :

P=V\times I\\\\P=11\times 2\\\\P=22\ W

So, the output power of the generator is equal to 22 Watts.

8 0
3 years ago
Edward runs with a speed of 3m/s. How long would it take him to run 2km? Give your answer in seconds to four significant figures
Whitepunk [10]

Answer:

666.6 seconds

Explanation:

if he runs at 3m/sec he will achieve the goal of 2000m in 666.6 seconds. just divide - 3/2000.

note we have changed 2km to 2000metres

5 0
3 years ago
if a ball on a string swung in a circles and string suddenly breaks.the ball will move into what direction?
horrorfan [7]

Answer:

The ball will swing in the direction it was going once the string breaks.

Explanation:

8 0
3 years ago
What kind of front occurs when a cold air mass replaces a warm air mass?
Andreyy89

Answer:

Explained below:

Explanation:

When a cold air mass meets a warm air mass, a front is formed and if the cold air is replacing the warm air, it is known as a cold front. Cold fronts frequently cause thunderstorms or rain showers because they pressure the air in a steep upward direction at the front's edge. They are also responsible to bring the changes in atmospheric pressure and wind direction.

7 0
4 years ago
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