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3 years ago

Describe two of tesla's inventions that influenced technology and are still in use today

2 answers:

3 0

Two influential product that Tesla (Elon Musk) made is his Model X, and his power wall. The Model X revolutionised cars and driving in general, with self driving, and many components to help. The powerwall made electricity another level. Along with his solar-shingle roof, it made homes efficient, and 'green'.

Hope this helped!! :)

sdas [7]3 years ago

3 0

Serbian-American engineer and physicist Nikola Tesla (1856-1943) made dozens of breakthroughs in the production, transmission and application of electric power.

He invented the first alternating current (AC) motor which is used all over the world in business, factories and power plants.

He developed AC generation and transmission technology that we still have as the main form of delivering power to all consumers nowdays.

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2 Name the device in a car that we use to change the speed of the car

Crank

Answer:

Speedometer

Explanation:

Have a good day! :3

6 0

2 years ago

We start with 5.00 moles of an ideal monatomic gas with an initial temperature of 129 ∘C. The gas expands and, in the process, a

harkovskaia [24]

The solution is in the attachment

6 0

3 years ago

izes water on the surface of Mars? a. Billions of years ago there were lakes and rivers on the surface of Mars, but none exist t

Tanzania [10]

Answer:

The answer is a.

Explanation: Billions of years ago, there were lakes and rivers in the surface of mars because mars had a denser atmosphere and higher surface temperatures which allowed a vast amount of liquid water on the surface. Recently, most of the water on mars today exist as ice.

6 0

3 years ago

A spring is mounted horizontally, with its left end fixed. A spring balance attached to the free end and pulled toward the right

malfutka [58]

Answer:

200 N/m

20 rad/s

0.31415 seconds

3.18309 Hz

Explanation:

m = Mass of glider = 0.5 kg

x = Displacement of spring

F = Force on spring = 6 N

From Hooke's law we have relation

$F=kx\\\Rightarrow k=\frac{F}{x}\\\Rightarrow k=\frac{6}{0.03}\\\Rightarrow k=200\ N/m$

The spring constant is 200 N/m

Angular frequency is given by

$\omega=\sqrt{\frac{k}{m}}\\\Rightarrow \omega=\sqrt{\frac{200}{0.5}}\\\Rightarrow \omega=20\ rad/s$

The angular frequency is 20 rad/s

Frequency is given by

$f=\frac{\omega}{2\pi}\\\Rightarrow f=\frac{20}{2\pi}\\\Rightarrow f=3.18309\ Hz$

The frequency is 3.18309 Hz

Time period is given by

$T=\frac{1}{f}\\\Rightarrow T=\frac{1}{3.18309}\\\Rightarrow T=0.31415\ s$

The time period is 0.31415 seconds

6 0

2 years ago

After crossing the finish line, a race car slows down from 47 m/s to 32m/s in 3seconds. What is the car’s acceleration?

Lisa [10]

Answer: -5 m/s^2

Explanation: a = v - u/t

= 32 - 47/3

= -15/3

= -5 m/s^2

7 0

3 years ago