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2 years ago

When water falls through a dam and turns a turbine connected

Physics

1 answer:

weqwewe [10]2 years ago

7 0

Answer:

The energy transformations that occur is Mechanical → electrical → light.

Explanation:

When the water falls through the dam the gravitational potential energy of water is transformed into kinetic energy.
This energy rotates the turbine (mechanical energy) connected to a generator.
Now this mechanical energy is converted into electrical form through the process of electromagnetic induction (when a conductor cuts the magnetic field, electricity is produced).
The electricity thus produced is driven to different offices and houses through wires.
By drawing this current we light our homes and offices.

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How far will a car travel if its velocity is 15 m/s in 3 seconds? Follow example below.

svet-max [94.6K]

<h3>Solution:</h3>

Distance (d) = 112 m
Time (t) = 4 seconds
Let the speed be v.
We know, speed = Distance / Time
Therefore, v = d/t

or, v = 112 m ÷ 4 s = 28 m/s

<h3>Answer:</h3>

The speed of the cheetah is 28 m/s.

4 0

1 year ago

Un camion de envios se encuentra detenido en una señal de pare, permitiendo que pase una ambulancia. Inicia su recorrido y al ca

Nesterboy [21]

Answer:

$0.741\ \text{m/s}^2$

Explanation:

v = Velocidad final = $40\ \text{km/h}=\dfrac{40}{3.6}\ \text{m/s}$

u = Velocidad inicial = 0

t = Tiempo empleado = 15 s

a = Aceleración

De las ecuaciones cinemáticas tenemos

$v=u+at\\\Rightarrow a=\dfrac{v-u}{t}\\\Rightarrow a=\dfrac{\dfrac{40}{3.6}-0}{15}\\\Rightarrow a=0.741\ \text{m/s}^2$

La aceleración del camión en el primer intervalo de tiempo es $0.741\ \text{m/s}^2$ .

4 0

2 years ago

Which can make 4 covalent bonds? Carbon, Silicon, or both?

grin007 [14]

Answer:

I would say both

Explanation:

Each silicon atom has four valence electrons which are shared, forming covalent bonds with the four surrounding Si atoms.

Carbon contains four electrons in its outer shell. Therefore, it can form four covalent bonds with other atoms or molecules. The simplest organic carbon molecule is methane (CH4), in which four hydrogen atoms bind to a carbon atom (Figure 1).

5 0

2 years ago

Which element is used as rat poison

fredd [130]

Im sure the answer is thallium

3 0

3 years ago

Read 2 more answers

Help me with this please!!!!!!!!!!!!!!!!

olga55 [171]

Answer:

what do you need help with?

Explanation:

I would look up the periodic table of elements

hope this helps!

6 0

1 year ago