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REY [17]
2 years ago
7

Energy is the ability to do work. All of the following describe work being done EXCEPT:

Physics
1 answer:
lbvjy [14]2 years ago
4 0

Answer:

A. blowing out a candles flame

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The distance between two subway station is 3 miles if a train travels between the two stations at an average speed of 60 mph how
Andreyy89

Answer:

It takes 3 minutes.

Explanation:

The distance between the two subways is 3 miles.

The train travels at an average speed of 60mph (miles per hour).

\frac{60miles}{1 hour} * \frac{1hour}{60minutes} = \frac{1mile}{1minute}

We have to convert hours to minutes and we do that by cancelling out the hours and replacing it with minutes.

There are 60 minutes in an hour so we use that, 1 hour/60 minutes and multiply it to the existing speed we have.

The result is 1 mile per minute.

We then multiply the miles by 3 since that is how much we want and we get 3 minutes.

6 0
3 years ago
True or false? If an element can form covalent bonds then it will never be involved in ionic bonding.
vladimir2022 [97]

Answer:

true

Explanation:

because the bonds in that element can only be shared but not transferred , but sometimes it depends on the element

7 0
3 years ago
Read 2 more answers
A diamond is cut such that the angle between its top surface and its bottom surface is α. For α=45∘, find the largest possible v
Reil [10]

Answer:

i = 61 degree

Explanation:

Given,

\alpha =45^{o}

Now, by the snell's law

sin\theta_c=\frac{1}{n}\\sin\theta_c=\frac{1}{2.450}\\\theta_c=24.09^o

Now,

Sin i / sin r = n 2 / n 1

sin i / sin r (45 - 24.09) = 2.45 / 1

i = 60.97 degree

4 0
3 years ago
How does the sun affect the water cycle?
Savatey [412]

i think the answer is D.

heating surface water causes it to evaporate and enter the air as a gas.

4 0
3 years ago
Read 2 more answers
Find the electric force acting on an alpha particle in a horizontal electric field of 600N/C
Sergeeva-Olga [200]
Since an alpha particle has 2 protons and no negative particles (electrons) to balance the net charge, its charge is
Q=2(1.6e-19)=3.2e-19C.
The force on a charged particle is F=QE so
(3.2e-19C)(600N/C)=1.92e-16N
6 0
3 years ago
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