3 years ago

Que es electromagnetico?

Physics

1 answer:

adoni [48]3 years ago

3 0

Se llaman cuerpos eléctricos.

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Consider a steel guitar string of initial length L=1.00 meter and cross-sectional area A=0.500 square millimeters. The Young's m

ira [324]

Answer:

$\Delta L=15\,mm$

Explanation:

Given:

length of a steel-string, $L=1m$

area of the string, $A=0.5\,mm^2$

Young's modulus of the steel, $Y=2\times 10^{11} Pa$

force of tension on the string, $F=1500\,N$

We have the relation for change in length:

$\Delta L=\frac{F.L}{A.Y}$

$\Delta L=\frac{1500\times 1000}{0.5\times 10^{-6}\times 2\times 10^{11}}$

$\Delta L=0.015m$

$\Delta L=15\,mm$

6 0

3 years ago

If the car went 30 km west in 25 min. and then 40 km east in 35 min., what would be its total displacement?

ozzi

Displacement only contain the length of movement and the direction of that movement
So you can pretty much disregard the speed.

30 to the west than 40 to the east

The displacement will be 10 km to the east

hope this helps

8 0

3 years ago

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Which of the following are indications of a possible volcanic eruption?

vichka [17]

Small earthquakes (tremors)

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4 years ago

A 53 g ice cube at −30◦C is dropped into a container of water at 0◦C. How much water freezes onto the ice? The specific heat of

vladimir2022 [97]

For A 53 g ice cube at −30◦C is dropped into a container of water at 0◦C, the amount of water that freezes onto the ice? is mathematically given as

x = 9.93 g

<h3>What is the amount of water that freezes onto the ice?</h3>

Where

Energy received = energy given out

Generally, the amount of water is mathematically given as

(53)(0.5)(30) = (80)(x)

Therefore

x = (49)(0.5)(16)/(80)

x = 9.93 g

In conclusion, the mass of water

x = 9.93 g