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Leona [35]
3 years ago
12

State whether plastic is biodegradable or non-biodegradable ? Give reasons for your answer.​

Physics
1 answer:
Gnom [1K]3 years ago
3 0

Answer:

non biodegradable

Explanation:

It is non biodegradable because plastic cannot dispose off easily ..

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7.
Usimov [2.4K]

Answer:

A

Explanation:

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3 years ago
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How would you compare and contrast the 3 types of friction?
vlabodo [156]
Rolling friction .<span> the force that slows down the movement of a rolling object</span>
sliding friction.
Sliding friction : The opposing force that comes into play when one body is actually sliding over the surface of the other body is called sliding friction. e.g. A flat block is moving over a horizontal table.

Kinetic or dynamic friction: If the applied force is increased further and sets the body in motion, the friction opposing the motion is called kinetic friction
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3 years ago
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How do you find the direction of displacement?
andreyandreev [35.5K]
You draw a straight line from the start point to the end point. It doesn't matter what route was actually followed for the trip.
3 0
3 years ago
An object is 15 cm in front of a diverging lens with a
Rainbow [258]

A) See ray diagram in attachment (-6.0 cm)

By looking at the ray diagram, we see that the image is located approximately at a distance of 6-7 cm from the lens. This can be confirmed by using the lens equation:

\frac{1}{q}=\frac{1}{f}-\frac{1}{p}

where

q is the distance of the image from the lens

f = -10 cm is the focal length (negative for a diverging lens)

p = 15 cm is the distance of the object from the lens

Solving for q,

\frac{1}{q}=\frac{1}{-10 cm}-\frac{1}{15 cm}=-0.167 cm^{-1}

q=\frac{1}{-0.167 cm^{-1}}=-6.0 cm

B) The image is upright

As we see from the ray diagram, the image is upright. This is also confirmed by the magnification equation:

h_i = - h_o \frac{q}{p}

where h_i, h_o are the size of the image and of the object, respectively.

Since q < 0 and p > o, we have that h_i >0, which means that the image is upright.

C) The image is virtual

As we see from the ray diagram, the image is on the same side of the object with respect to the lens: so, it is virtual.

This is also confirmed by the sign of q in the lens equation: since q < 0, it means that the image is virtual

4 0
3 years ago
A metal wire of resistance R is cut into eight equal pieces that are then placed together side by side to form a new cable with
Harrizon [31]

Answer:

R / 64

Explanation:

Let he length of the wire is L and its resistance is R.

The resistance of the wire is directly proportional to the length of the wire. As the wire is cut into 8 equal pieces so the resistance of small wire is R/8.

Now they are connected in parallel.

The equivalent resistance is given by

\frac{1}{R_{eq}}=  8\times \frac{8}{R}

R_{eq}=\frac{R}{64}

Thus, the equivalent resistance of the new cable is R / 64.

4 0
3 years ago
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