3 years ago

La biomasa es una fuente de energía es limpia o contaminante

Physics

1 answer:

Solnce55 [7]3 years ago

4 0

Answer:

es limpia

Explanation:

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If x=2/3and y=3/2, then find value of (x + y) divided by (x-y)<br><br>

Reika [66]

Answer:

-13/5

Explanation:

13/6÷(-5/6)

-13/5

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3 years ago

As electricity flows through a wire, what type of field is created around the wire?

aleksklad [387]

A magnetic field. that's how people make magnets, by wrapping copper wire around whatever they want to be magnetic then running electricity through the wire. it works on revers to make electricity.
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3 years ago

GIZMO

CaHeK987 [17]

It is A or D but I believe A

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3 years ago

The radar system of a navy cruiser transmits at a wavelength of 1.4 cm, from a circular antenna with a diameter of 2.7 m. At a r

Goshia [24]

Answer:

Distance will be 49.34 m

Explanation:

We have given wavelength $\lambda =1.4cm =0.014m$

Diameter of the antenna d = 2.7 m

Range L = 7.8 km = 7800 m

We have to find the smallest distance hat two speedboats can be from each other and still be resolved as two separate objects D

We know that distance is given by $D=\frac{L1.22\lambda }{d}=\frac{7800\times 1.22\times 0.014}{2.7}=49.3422m$

So distance D will be 49.34 m

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3 years ago

An airplane is flying horizontally with a constant momentum during a time interval ?t. (a) Is there a net impulse acting on the

goldenfox [79]

Answer:

Explanation:

Given

Airplane is flying with horizontally with a constant momentum during time interval $\Delta t$

Impulse is given by change in momentum, so there is no net impulse on the Plane because momentum is constant

(b) As there is no change in momentum therefore impulse of thrust and air drag is balanced i.e. both are equal in magnitude but act in opposite direction

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3 years ago