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sasho [114]
3 years ago
9

.The war of the currents in the 1880's involved Thomas Edison and Nikola Tesla on a reality TV show stranded on an island. Each

had to construct a current generating device out of the local floral and fauna. After 3 seasons, Nikola Tesla won and Thomas Edison was voted off of the Island.
True


False
Engineering
1 answer:
natali 33 [55]3 years ago
7 0

Answer:

True

Explanation:

Nikola Tesla defeated Thomas Edison in the AC/DC battle of electric current.

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If you deposit $ 1000 per month into an investment account that pays interest at a rate of 9% per year compounded quarterly.how
Fantom [35]

Answer:

5,465.4165939453

Explanation:

formula

A=P(1+r/n)^n(t)

p=1000

r=0.09

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3 years ago
A pump is used to circulate hot water in a home heating system. Water enters the well-insulated pump operating at steady state a
Roman55 [17]

Answer:

Temperature change is 0.0345 degree rankine

The change in temperature is therefore small

Explanation:

Please see attached for the workings.

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4 years ago
A force is specified by the vector F= 160i + 80j + 120k N. Calculate the angles made by F with the positive x-, y-, and z-axis.
Rashid [163]

Answer:

1) Angle with x-axis = 42.03 degrees

2) Angle with y-axis =68.2 degrees

3) Angle with z-axis =   56.14 degrees

Explanation:

given any vector \overrightarrow{r}=x\widehat{i}+y\widehat{j}+z\widehat{k}

and any x axis the angle between them is given by

\theta_x =cos^{-1}(\frac{\overrightarrow{r}\cdot\widehat{i}}{\sqrt{x^2+y^2+z^2}} )\\\\\theta_x=cos^{-1}(\frac{x\cdot i}{\sqrt{x^2+y^2+z^2}} )

Applying values we get

\theta_x=cos^{-1}(\frac{160}{\sqrt{160^2+80^2+120^2}} )=42.03^{o}

Angle between the vector and y axis is given by

\theta_y =cos^{-1}(\frac{\overrightarrow{r}\cdot\widehat{j}}{\sqrt{x^2+y^2+z^2}} )\\\\\theta_y=cos^{-1}(\frac{y\cdot j}{\sqrt{x^2+y^2+z^2}} )

Applying values we get

\theta_x=cos^{-1}(\frac{80}{\sqrt{160^2+80^2+120^2}} )=68.2^{o}

Similarly angle between z axis and the vector is given by

\theta_z =cos^{-1}(\frac{\overrightarrow{r}\cdot\widehat{k}}{\sqrt{x^2+y^2+z^2}} )\\\\\theta_x=cos^{-1}(\frac{z\cdot k}{\sqrt{x^2+y^2+z^2}} )

Applying values we get

\theta_z=cos^{-1}(\frac{120}{\sqrt{160^2+80^2+120^2}} )=56.145^{o}

5 0
4 years ago
The two basic categories of electrical switches are manual and ??
Ganezh [65]

Answer:

are Manual and Automatic

4 0
3 years ago
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What is programming and sensory?
NNADVOKAT [17]

Answer:

Programing is using data or codes to make something happen A sensory is like when you move your arm in front of a device and like it has a light that turns on then that is sensory it like can tell your moving

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