3 years ago

Which condition is caused by a slightly shortened eyeball?

Physics

1 answer:

mihalych1998 [28]3 years ago

7 0

The answer is C. Farsightedness. I hope this helps

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A car travels on a straight, level road. (a) Starting from rest, the car is going 38 ft/s (26 mi/h) at the end of 4.0 s. What is

lbvjy [14]

Answer:

$a)9.5\frac{ft}{s^2}\\ b) 12.66\frac{ft}{s^2}$

Explanation:

A body has acceleration when there is a change in the velocity vector, either in magnitude or direction. In this case we only have a change in magnitude. The average acceleration represents the speed variation that takes place in a given time interval.

$a_{avg}=\frac{\Delta v}{\Delta t}\\a_{avg}=\frac{v_{f}-v_{i}}{t_{f}- t_{i}}\\a_{avg}=\frac{38\frac{ft}{s}-0}{4 s- 0}=9.5\frac{ft}{s^2}\\$

$a_{avg}=\frac{\Delta v}{\Delta t}\\a_{avg}=\frac{v_{f}-v_{i}}{t_{f}- t_{i}}\\a_{avg}=\frac{76\frac{ft}{s}-38\frac{ft}{s}}{7 s- 4s}\\a_{avg}=\frac{38\frac{ft}{s}}{3s}=12.66\frac{ft}{s^2}$

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3 years ago

Which is not an example of work being done?

mezya [45]

C. Carrying a backpack to class

7 0

3 years ago

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The flow of free electrons in a conductor due to the potential difference in volts is known as __________.

ioda

current, the flow of electrons make the current

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4 years ago

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What is the force of a 13kg ball that has been dropped and has fallen for 1 second?

ankoles [38]

Answer:

127.4 newtons

Explanation:

Assuming g = 9.8:

F = ma = 13(9.8) = 127.4 N

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3 years ago

Witch is least likely to break? explain?

Reptile [31]

Work Done = Force * Distance

This means the least work is exerted by the most distance, so the longer ones are less likely to break.

The shortest one will be the one that breaks easiest.

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3 years ago