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4 years ago

Explain two ways that static and current electricity are different?

1 answer:

5 0

Static electricity is caused by the build up of electrical charges on the surface of objects, while current electricity is a phenomenon from the flow of electrons along a conductor. 2. When objects are rubbed, a loss and/or gain of electrons occurs, which results in the phenomenon of static electricity.

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Calculate the kinetic energy in joules of a 1500 kg automobile moving at 17 m/s . express your answer to two significant figures

Sidana [21]

Kinetic energy = 1/2 (mass)*(velocity)^2

ke = 1/2 (1500kg) (17m/s)^2
ke = 216750 kg*m^2/s^2 = 216750 Joules

(sorry, I don't know significant figures. but this is otherwise the correct answer with the right units. hope this helps!! :))

6 0

4 years ago

A wave is a _____ that carries ____ from one place to another.

sertanlavr [38]

Answer:

A wave is a disturbance that carries energy from one place to another.

Explanation:

5 0

3 years ago

Your eyes form upside-down images, which are then flipped right-side-up by our brains.

Vitek1552 [10]

Answer:

I believe it is true, but our brains don’t do it, I think it is the lenses in our eyes that do it. I might be wrong tho

Explanation:

4 0

3 years ago

Read 2 more answers

Consider the two-slit interference experiment. Electromagnetic radiation passes through the two slits that are a distance of 0.0

VikaD [51]

Answer:

The answer is 581

Explanation:

I just took the Quick Check and got it right.

8 0

2 years ago

A wagon, initially traveling at a constant 8.2 m/s, starts going down a hill that creates an acceleration of 9.0 m/s2. What is t

pashok25 [27]

Answer:

67.6m/s

Explanation:

Given parameters:

Initial velocity = 8.2m/s

Acceleration = 9.0m/s²

Time = 6.6s

Unknown:

Final velocity = ?

Solution:

To solve this problem, we use the expression below:

Acceleration = $\frac{v - u }{t}$

v is the final velocity

u is the initial velocity

t is the time taken

9 = $\frac{v - 8.2}{6.6}$

v - 8.2 = 59.4

v = 59.4 + 8.2 = 67.6m/s

8 0

3 years ago