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3 years ago

Which describes the type of image formed by a plane mirror?

Physics

2 answers:

guajiro [1.7K]3 years ago

6 0

Answer:

It is a copy of an object and appears to be coming from behind the mirror.

Explanation:

The plane mirror has a flat surface, where of its surface is polished to reflect the light.
The plane mirror shows the image as the same size of the object.
The image produced by the plane mirror is virtual and erect.
But the orientation of the image formed changes the left and right.
Hence,the image appears to be coming from behind the mirror.

aliya0001 [1]3 years ago

6 0

Answer:

It is a copy of an object and appears to be coming from behind the mirror...hope this helps :)))))

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g A cylinder of mass m is free to slide in a vertical tube. The kinetic friction force between the cylinder and the walls of the

sdas [7]

Answer:

The vertical distance is $d = \frac{2}{k} *[mg + f]$

Explanation:

From the question we are told that

The mass of the cylinder is m

The kinetic frictional force is f

Generally from the work energy theorem

$E = P + W_f$

Here E the the energy of the spring which is increasing and this is mathematically represented as

$E = \frac{1}{2} * k * d^2$

Here k is the spring constant

P is the potential energy of the cylinder which is mathematically represented as

$P = mgd$

And

$W_f$ is the workdone by friction which is mathematically represented as

$W_f = f * d$

$\frac{1}{2} * k * d^2 = mgd + f * d$

=> $\frac{1}{2} * k * d^2 = d[mg + f ]$

=> $\frac{1}{2} * k * d = [mg + f ]$

=> $d = \frac{2}{k} *[mg + f]$

5 0

4 years ago

Which division of time on the geologic time scale is the shortest?

Scrat [10]

Explanation:

In geology, there are 5 divisions of time on the time scale. They are:

eons
eras
periods
epochs
ages

Eons are the largest time period, while ages are the shortest time period. The rest of the above listed are in between the two.

8 0

3 years ago

What equation describes conservation of charge?

Phantasy [73]

Answer:

The equation which describes conservation of charge is $Q_{initial} - Q_{final } = 0$

Explanation:

The law of conservation charge states that for an isolated system that sum of initial charges is equal to sum of final charges, that is the total charge is conserved.

let the sum of initial charges = $Q_{initial}$

let the sum of the final charges = $Q_{final}$

$Q_{initial } = Q_{final}\\\\Q_{initial } - Q_{final} = 0$

Therefore, the equation which describes conservation of charge is $Q_{initial} - Q_{final } = 0$

6 0

3 years ago

A ball is kicked from level ground at an angle 60° with initial velocity 10 m/s. The distance the ball travels, in meters, is:

RUDIKE [14]

Answer:

the ball travels a distance of 8.84 m

Explanation:

Range: Range is defined as the horizontal distance from the point of projection to the point where the projectile hits the projection plane again.

R = (U²sin2∅)/g.............................. Equation 1

Where R = range, U = initial velocity, ∅ = angle of projection, g = acceleration due to gravity.

Given: U = 10 m/s, ∅ = 60°

Constant: g = 9.8 m/s²

Substituting these values into equation 1

R = [10²×sin(2×60)]/9.8

R = (100sin120)/9.8

R = 100×0.8660/9.8

R = 86.60/9.8

R = 8.84 m

Therefore the ball travels a distance of 8.84 m

4 0

3 years ago

When heat moves from the ocean to the surrounding air, which is this an example of?

Blizzard [7]

B) The transfer of energy from the hydrosphere to the atmosphere

This is because oceans are part of the hydrosphere. As the air warms it flows up into the atmosphere.

Hope this helps!

6 0

3 years ago