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3 years ago

Which object is least likely to allow light to pass through it?

Physics

2 answers:

Zarrin [17]3 years ago

8 0

Answer: The correct option is "a tree trunk".

Explanation:

Transparent is a material which allows the light to pass through it.

For example, glass.

An opaque is a material which does not allow light to pass through it.

For example, wood.

Translucent is a material which allows light partially to pass through it.

For example, butter paper.

In the given options, a pair of eyeglasses, a clear water bottle, a car windshield are transparent materials. But a tree trunk is an opaque as it does not light to pass through it.

Therefore, a tree trunk is least likely allow light to pass through it.

jeka57 [31]3 years ago

6 0

a tree truck

is the answer i hope this helps you xD

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prohojiy [21]

Answer:

(A) conduction

Explanation:

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2 years ago

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LenaWriter [7]

Answer:

0 Joules

Explanation:

The work done is given by

$W=F\times s\times cos\theta$

where,

F = Force applied

s = Displacement of the object = 0 m

$\theta$ = Angle between the force applied and the horizontal = 0

$W=F\times 0\times cos0\\\Rightarrow W=0\ J$

Work is only observed when there is a displacement.

The work done by me is 0 Joules as I was unable to move it.

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2 years ago

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Answer:

The answer is C

Explanation:

F = m × a

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a = 3m/s²

F = 0.5 × 3

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3 years ago

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topjm [15]

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3 years ago

in a closed system three objects have the following momentum: 11 kg* m/s, -65 kg*m/s and -100 kg m/s. the objects collide and mo

guajiro [1.7K]

Explanation:

The momentum of the three objects are as follow :

11 kg-m/s, -65 kg-m/s and -100 kg-m/s

Before collision, the momentum of the system is :

$P_i=11+(-65)+(-100)\\\\P_i=-154\ kg-m/s$

After collison, they move together. It means it is a case of inelastic collision. In this type of collision, the momentum of the system remains conserved.

It would mean that, after collision, momentum of the system is equal to the initial momentum.

Hence, final momentum = -154 kg-m/s.

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3 years ago