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andrezito [222]
4 years ago
11

Five renewable energy resources are wind, sunlight, moving water and geothermal energy.

Physics
2 answers:
Gemiola [76]4 years ago
6 0

true


mark brainliest   :)

Lorico [155]4 years ago
6 0

The statement is false.

Only four examples are listed.

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tensa zangetsu [6.8K]

Answer:

Make sure you're getting paid. Unpaid interships are a complete and total waste.

Explanation:

7 0
3 years ago
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A soccer ball rests on the ground in a stationary position. Which of the following best describes the forces acting on the ball?
Andrews [41]
It is balanced force nothing is being applied I did this already
7 0
2 years ago
intial velocity is 45km/h, final velocity is 0, time taken is 3 seconds,calculate the retradation of the vehicle and distance tr
V125BC [204]

Answer:

v= u+at

0=45×1000×60×60+3a

_3a=16200045

a=5400015m per sec

4 0
3 years ago
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Un ciclista recorre 10 km en 2 h.Calcula su velocidad media en km/h.¿cuantos metros recorre cada segundo
lys-0071 [83]

Answer:

La velocidad media es 5 \frac{km}{h}, que equivale a 1.389 \frac{m}{s}

Explanation:

La velocidad es una magnitud física que expresa la relación entre el espacio recorrido por un objeto y el tiempo empleado para ello.

La velocidad media relaciona el cambio de la posición con el tiempo empleado en efectuar dicho cambio. Por lo que se calcula como la distancia recorrida por un objeto dividido por el tiempo transcurrido:

velocidad=\frac{distancia}{tiempo}

En este caso:

  • distancia= 10 km= 10,000 m (siendo 1 km= 1,000 m)
  • tiempo= 2 h= 7,200 s (siendo 1 h= 3,600 s)

Entonces, reemplazando en la definición de velocidad media:

velocidad=\frac{10 km}{2 h}= \frac{10,000 m}{7,200 s}

Resolviendo se obtiene:

velocidad=5 \frac{km}{h}= 1.389\frac{m}{s}

<u><em>La velocidad media es 5 </em></u>\frac{km}{h}<u><em>, que equivale a 1.389 </em></u>\frac{m}{s}<u><em></em></u>

4 0
3 years ago
A 45.0 - kg girl is standing on a 150. - kg plank. The plank, originally at rest, is free to slide on a frozen lake, which is a
Mrac [35]

Answer:

The velocity relative to the surface of the ice is 6.5 m/s.

Explanation:

Given that,

Mass of girl m= 45.0 kg

Mass of plank M= 150 kg

Velocity = 1.50 m/s

We need to calculate the velocity relative to the surface of the ice

Using conservation of momentum

mv_{1}+Mv_{2}=(m+M)v

Here, v_{2}=0 because plank at rest

v_{1}=\dfrac{m+M}{m}\times v

Put the value into the formula

v_{1}=\dfrac{45+150}{45}\times1.50

v_{1}=6.5\ m/s

Hence, The velocity relative to the surface of the ice is 6.5 m/s.

6 0
3 years ago
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