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Hoochie [10]
3 years ago
6

How can acceleration be described?

Physics
2 answers:
krek1111 [17]3 years ago
7 0

Answer:

The definition of acceleration is: Acceleration is a vector quantity that is defined as the rate at which an object changes its velocity. An object is accelerating if it is changing its velocity.

Explanation:

ivanzaharov [21]3 years ago
5 0

Answer:

A vehicle's capacity to gain speed within a short time.

Explanation:

Hope that helps you :)

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Cómo puedo saber si el agua destilada que nos vendieron es destilada de verdad?
Pepsi [2]

Answer:

Caliente el agua del grifo hasta que se convierta en vapor. Cuando el vapor se vuelve a condensar en agua

Explanation:

7 0
3 years ago
Please answer these questions, its for a physics assignment
laiz [17]

A no . answer is velocity of the object. B no.answer is Acceleration of the object. C no.answer is straight line shape and a velocity graph with a horizontal shape D no.answer is curved shape and a velocity graph with a straight shape.

3 0
3 years ago
An energy plant produces an output potential of 1500 kV and serves a city 143 km away. A high-voltage transmission line carries
jekas [21]

Answer:

2123.55 $/hr

Explanation:

Given parameters are:

V_{plant} = 1500 KV

L = 143 km

I = 500 A

\rho = 2.4 \Omega / km

So, we will find the voltage potential provided for the city as:

V_{wire} =IR = I\rho L = 1500*2.4*143 = 514.8 kV

V_{city} = V_{plant}- V_{wire} = 1500-514.8 = 985.2 kV

Then, we will find dissipated power because of the resistive loss on the transmission line as:

P = I^2R = I^2\rho L=500^2*2.4*143 = 8.58*10^7 W

Since the charge of plant is not given for electric energy, let's assume it randomly as x =  \frac{\dollar 0.081}{kW.hr}

Then, we will find the price of energy transmitted to the city as:

Cost = P * x = 8.58*10^7 * 0.081 * 0.001 = 6949.8 $/hr

To calculate money per hour saved by increasing the electric potential of the power plant:

Finally,

I_{new} = P/V_{new} = I/1.2\\P_{new} = I_{new}^2R_{wire}\\Cost = P_{new}/1.44=6949.8/1.44 = 4826.25 $/hr

The amount of money saved per hour = 6949.8 - 6949.8/1.44 = 2123.55 $/hr

Note: For different value of the price of energy, it just can be substituted in the equations above, and proper result can be found accordingly.

3 0
3 years ago
Which best describes the magnitude of the velocity of the car?
Vlad [161]
I think 30 as that’s usually average speed
6 0
3 years ago
A book with a mass of 1.2 kg sits on a bookshelf. If it has gravitational potential energy of 50 j, how high is the shelf ? The
Tatiana [17]

Answer:

B

Explanation:

5 0
3 years ago
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