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2 years ago

What is an electrical output device

Engineering

2 answers:

tester [92]2 years ago

7 0

Answer:

heyoo!

a printer, camera, computerr

hope this helpss>3

Explanation:

Ira Lisetskai [31]2 years ago

7 0

Answer:

here is a list. Monitor, Printer, Plotters, Speakers etc.

Explanation:

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A particular motor rotates at 3000 revolutions per minute. What is its speed in rad/sec, and how many seconds does it takes to m

Leno4ka [110]

Answer:

ω=314.15 rad/s.

0.02 s.

Explanation:

Given that

Motor speed ,N= 3000 revolutions per minute

N= 3000 RPM

The speed of the motor in rad/s given as

$\omega=\dfrac{2\pi N}{60}\ rad/s$

Now by putting the values in the above equation

$\omega=\dfrac{2\pi \times 3000}{60}\ rad/s$

ω=314.15 rad/s

Therefore the speed in rad/s will be 314.15 rad/s.

The speed in rev/sec given as

$\omega=\dfrac{ 3000}{60}\ rad/s$

ω= 50 rev/s

It take 1 sec to cover 50 revolutions

That is why to cover 1 revolution it take

$\dfrac{1}{50}=0.02\ s$

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2 years ago

How can someone for Brainly delete your account? like serious question. How?

7nadin3 [17]

Answer:

I think the admins or whomever works for this app deletes accounts if it's against the guidelines and inappropriate

8 0

2 years ago

Given the vectors M = −10 ax + 4 ay − 8 az and N = 8 ax + 7ay − 2 az, find:

alexgriva [62]

Answer:

a) $\vec u_{R} = 0.924\cdot i + 0.355\cdot j + 0.142\cdot k$ , b) $||\vec R|| \approx 32.218$ , c) $\vec R = -580.483\cdot i + 3192.659\cdot j -2902.417\cdot k$

Explanation:

a) The resultant vector is obtained by summing all components:

$\vec R = 10\cdot i-4\cdot j + 8\cdot k+16\cdot i + 14\cdot j -4\cdot k$

$\vec R = 26\cdot i + 10\cdot j + 4\cdot k$

Its magnitude is determined herein:

$||\vec R|| = \sqrt{26^{2}+10^{2}+4^{2}}$

$||\vec R|| \approx 28.142$

Unit vector in the given direction is:

$\vec u_{R} = \frac{26}{28.142}\cdot i + \frac{10}{28.142}\cdot j + \frac{4}{28.142}\cdot k$

$\vec u_{R} = 0.924\cdot i + 0.355\cdot j + 0.142\cdot k$

b) The resultant vector is obtained by summing all components:

$\vec R = 5\cdot i + 8\cdot i + 7\cdot j - 2\cdot k+10\cdot i -12\cdot j +24\cdot k$

$\vec R = 23\cdot i - 5\cdot j + 22\cdot k$

Its magnitude is determined herein:

$||\vec R|| = \sqrt{23^{2}+(-5)^{2}+22^{2}}$

$||\vec R|| \approx 32.218$

c) Magnitudes of $\vec M$ and $\vec N$ are, respectively:

$||\vec M|| = \sqrt{(-10)^{2}+4^{2}+(-8)^{2}}$

$||\vec M|| \approx 13.416$

$||\vec N|| = \sqrt{8^{2}+7^{2}+(-2)^{2}}$

$||\vec N|| \approx 10.817$

The sum of both vectors is:

$\vec Q = \vec M + \vec N = -2\cdot i +11\cdot j -10\cdot k$

Finally, the resultant is:

$\vec R = 2||\vec M||\cdot ||\vec N|| \cdot \vec Q$

$\vec R = -580.483\cdot i + 3192.659\cdot j -2902.417\cdot k$

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3 years ago

What are the main causes of injuries when using forklifts?

astra-53 [7]

Answer:

overturns

Explanation:

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Please help<br> describe the impact that a toy robot has had or could have on its intended audience

GuDViN [60]

Depending on the age the toy is made for it could teach younger children things such as letters and numbers and for a older kid it could teach them how different things are put in the robot to help it work

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2 years ago

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