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Viktor [21]
3 years ago
7

It wont let me make account i tried twice this the only way i hope i can get to you to tell you this.I also just picked a random

subject so this can send
Physics
2 answers:
Mandarinka [93]3 years ago
5 0

Answer:

if you doing it on a computer i recommend to do it better on your phone and download the app, I should let you create one.

Explanation:

Alex777 [14]3 years ago
4 0
Installing on a mobile device is a lot easier then a pc or laptop
You might be interested in
Help for physics
12345 [234]

Answer:

A. 5 m/s

Explanation:

From the graph, for the first 2 seconds, the graph is a straight line meaning that the slope is a constant.

Average speed of an object is the rate of change of position. Here, the position of the object changes from 0 m to 10 m for a time interval of 2 seconds.

The change in position (\Delta x) and time interval (\Delta t) are given as:

\Delta x=10-0=10\ m\\\Delta t=2-0=2\ s

Therefore, the average speed (s_{avg}) is given as the ratio of the total change in position and the time interval for the change.

s_{avg}=\frac{\Delta x}{\Delta t}=\frac{10-0}{2-0}=\frac{10}{2}=5\ m/s

Hence, the average speed is 5 m/s.

8 0
3 years ago
Read 2 more answers
Which describes the relationship between the frequency, wavelength, and speed of a wave as the wave travels through different me
sasho [114]

Correct answer choice is :


A) As speed changes, wavelength changes and frequency remains constant.


Explanation:


The higher the energy, the higher the frequency and the smaller the wavelength. The relation among wavelength and frequency the greater the frequency, the smaller the wavelength it reflects that short wavelengths are more dynamic than large wavelengths. The wavelength and frequency of light are almost associated. The greater the frequency, the smaller the wavelength. Because all small waves move into space at the very speed, the amount of wave peaks spending by a read point in one second depends on the wavelength.


4 0
3 years ago
Read 2 more answers
A baseball is thrown horizontally at 55m/s. The ball slows down at a rate of -10 m/s2. How long is the ball in the air before co
sergejj [24]

The time of motion of the ball before coming to rest is  determined as 5.5 s.

<h3>Time of motion of the ball</h3>

The time of motion of the ball before coming to rest is calculated as follows;

v = u + at

when the ball comes to rest, v = 0

0 = u + at

0 = 55 + (-10)t

0 = 55 - 10t

10t = 55

t = 5.5s

Thus, the time of motion of the ball before coming to rest is 5.5 s.

Learn more about time here: brainly.com/question/4931057

#SPJ1

6 0
2 years ago
Two infinite nonconducting sheets of charge are parallel to each other, with sheet A in the x = -2.15 plane and sheet B in the x
GalinKa [24]

Answer:

a) (-367231.63i ,  367231.63i, 0) N/C

b) (0 , 0  , 367231.63i ) N/C

Explanation:

a)

Case x < -2.15

E =E_{+} + E_{+} \\E = 2*\frac{sigma}{2e_{0} } = \frac{sigma}{e_{0} }\\\\E = \frac{3.25*10^(-6)}{8.85*10^(-12) }\\\\E = - 367231.63 i

Case x > 2.15

E =E_{+} + E_{+} \\E = 2*\frac{sigma}{2e_{0} } = \frac{sigma}{e_{0} }\\\\E = \frac{3.25*10^(-6)}{8.85*10^(-12) }\\\\E = +367231.63 i

Case -2.15 < x <+2.15

E =E_{+} - E_{+} \\\\E = 0

b)

Case x < -2.15

E =E_{+} - E_{+} \\\\E = 0

Case x > 2.15

E =E_{+} - E_{+} \\\\E = 0

Case -2.15 < x <+2.15

E =E_{+} + E_{-} \\E = 2*\frac{sigma}{2e_{0} } = \frac{sigma}{e_{0} }\\\\E = \frac{3.25*10^(-6)}{8.85*10^(-12) }\\\\E = +367231.63 i

7 0
3 years ago
Which of the following statements about weight training is TRUE?
professor190 [17]
It would be D. it isn't harmful to anyone unless you are actually unable to do it but if an elderly person is strong enough then sure they can weight lift. And it isn't harmful to adolescents really (unless they drop it on their foot or are too weak or something but that has nothing to do with weight lifting itself... I think I'm getting sidetracked) Anyways if you can weight lift then yes anyone can benefit from it. I hope this helps!
4 0
3 years ago
Read 2 more answers
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