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GarryVolchara [31]
3 years ago
8

a concave mirror of radius of curvature 20cm produces an inverted image three times the size of an object placed on and perpendi

cular to the axis. calculate the position of the object and the image​
Physics
1 answer:
Elis [28]3 years ago
6 0

Answer:

Check attachment for your answer

Good luck

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Anit [1.1K]

Answer:

First choice

Explanation:

A satellite in orbit around Earth experiences only one force: the gravitational attraction exerted by the Earth on it. This force is labelled with F_g. In space, there are no other forces acting on the satellite.

The force of gravity acts as centripetal force, "pulling" the satellite towards the centre of its circular orbit. The inertia of the satellite (which has an initial velocity) tends to keep it moving straight, so the combination of these two effects (inertia and force of gravity) results into the circular motion of the satellite.

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3 years ago
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Electrons moving back and forth through a circuit would be
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The particles that carry charge through wires in a circuit are mobile electrons. The electric field direction within a circuit is by definition the direction that positive test charges are pushed. Thus, these negatively charged electrons move in the direction opposite the electric field.

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3 years ago
What is a wave called that moves up and down
charle [14.2K]
Transverse waves is what its called
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If the ultraviolet photon has a wavelength of 249 nm and one of the photons emitted by the fluorescent material has a wavelength
melamori03 [73]

Answer:

601 nm

Explanation:

Energy of photon having wavelength of λ nm

= \frac{1244}{\lambda}eV

Energy of 249 nm photon

=\frac{1244}{249}

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Similarly energy of 425nm photon

=\frac{1244}{425}

=2.927 eV

Difference = 2.069 eV.

This energy will give rise to another photon whose wavelength will be

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6 0
4 years ago
Which point on the roller coaster's path represents the maximum potential energy?
mariarad [96]

Answer:

Point A (Maximum height)

Explanation:

Potential energy is given as the product of mass, height and acceleration due to gravity hence expressed as mgh where m is the mass of roller coaster, h is the height and g is acceleration due to gravity. Since the mass and g are constant for a roller coaster, the main factor that will influence the magnitude of energy is the height. The higher the height, the higher the potential energy and vice versa. Using the attached image, the highest point is point A

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