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kogti [31]
3 years ago
10

Which type of image is formed on a cinema screen?

Physics
1 answer:
Taya2010 [7]3 years ago
5 0

Answer:

A real image is formed on a cinema screen.

Explanation:

It is a type of image that is formed when light rays coming from an object meet each other in actual after reflection or refraction. A real image can be easily obtained on the screen. It is always inverted

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vlabodo [156]
Digestive system: consists of the gastrointestinal tract plus the accessory organs of digestion. Digestion involves the breakdown of food into smaller and smaller components, until they can be absorbed and assimilated into the body.

Endocrine system: a chemical messenger system comprising feedback loops of the hormones released by internal glands of an organism directly into the circulatory system, regulating distant target organs.

Eukaryotes: organisms whose cells have a nucleus enclosed within a nuclear envelope.

Excretory system: an organism's body that performs the function of excretion, the bodily process of discharging wastes.

Golgi Apparatus/complex: an organelle found in most eukaryotic cells. Part of the endomembrane system in the cytoplasm, it packages proteins into membrane-bound vesicles inside the cell before the vesicles are sent to their destination.

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5 0
3 years ago
Read 2 more answers
The medium seismic waves travel through is
Natalija [7]

Answer:

rocks and other materials inside the Earth. 5.

Explanation:

5 0
3 years ago
Read 2 more answers
During the time a compact disc (CD) accelerates from rest to a constant rotational speed of 477 rev/min, it rotates through an a
atroni [7]

Answer:

<em>126.01 rad/s^2</em>

<em></em>

Explanation:

since it starts from rest, initial angular speed ω' = 0 rad/s

angular speed N = 477 rev/min

angular speed in rad/s ω = \frac{2\pi N}{60} =  \frac{2*3.142* 477}{60} = 49.95 rad/s

angular displacement ∅ = 1.5758 rev

angular displacement in rad/s = 2\pi N = 2 x 3.142 x 1.5758 = 9.9 rad

angular acceleration \alpha = ?

using the equation of angular motion

ω^2 = ω'^2 + 2\alpha∅

imputing values, we have

49.95^{2}  = 0^{2}  + (2 *\alpha*9.9 )

2495 = 19.8\alpha

\alpha = 2495/19.8 = <em>126.01 rad/s^2</em>

8 0
3 years ago
A light spring with force constant 3.80 n/m is compressed by 7.20 cm as it is held between a 0.300-kg block on the left and a 0.
jeka94
Some dogs may inherit a susceptibility to epilepsy.
3 0
4 years ago
Quickly spinning the handle of a hand generator, Kristina is able to light three bulbs in a circuit. When she spins the generato
erastova [34]

Answer:

  • <u><em>Voltage is too low</em></u>

Explanation:

<em>Generators</em> produce a potential difference (voltage) by <em>spinning </em>a coil of wire in a magnetic field by induction.

The  produced voltage is proportional to the relative speed of the coil wire with respect to the magnetic field.

Hence, for a given generator, the higher the speed the higher the potential difference.

Therefore, it is concluded immediately that when Kristina spins the generator slowly, less potential difference (voltage) is generated.

Also, you must know that the brightness of the bulbs varies with the current: the higher the current, the brigther the bulbs.

On the other hand, the basic realtion between voltage (V), resistance (R), and current I) is given by Ohm's law: V = R × I. This is, voltage and current are proportional.

Since the generator is producting less voltage, for the same bulbs (which are resistors) , the current will be lower too. And, as stated, lower current means lower brightness, which explains why when Kristina spins the generator slowly, the bulbs are very dim.

5 0
3 years ago
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