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gayaneshka [121]
3 years ago
13

In the phenomenon known as the photoelectric effect, electric current will flow when light shines on certain substances.

Physics
2 answers:
svetlana [45]3 years ago
8 0
The answer is true...............
kotegsom [21]3 years ago
7 0

Answer:

Yes, the given statement is correct.

Explanation:

In the phenomenon photoelectric effect, when photon(energy packet of light) falls on a conductor or semiconductor emits electron and when that electron passes through a closed circuit electric current flow though it. This photoelectric effect have vast application now a days such as:- solar cell, photo cell,solar pump.

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HELP PLEASE 20 POINTS SHOW WORK, ALL EQUATIONS
nataly862011 [7]

Answer:

s = 3 m

Explanation:

Let t be the time the accelerating car starts.

Let's assume the vehicles are point masses so that "passing" takes no time.

the position of the constant velocity and accelerating vehicles are

s = vt = 40(t + 2)  cm

s = ½at² = ½(20)(t)² cm

they pass when their distance is the same

½(20)(t)² = 40(t + 2)

10t² = 40t + 80

0 = 10t² - 40t - 80

0 = t² - 4t - 8

t = (4±√(4² - 4(1)(-8))) / 2(1)

t = (4± 6.928) / 2  ignore the negative time as it has not occurred yet.

t = 5.464 s

s = 40(5.464 + 2) = 298.564 cm

300 cm when rounded to the single significant digit of the question numerals.

7 0
3 years ago
Scheduling comes before sequencing. In scheduling, we develop plans for our work centers where production activities occur. We l
ser-zykov [4K]

Answer: 89

Explanation:

4 0
3 years ago
A 50 g bullet is fired into a 2 kg ballistic gel at rest on a frictionless surface. The bullet embeds itself in the gel and begi
expeople1 [14]
The answer would be 1200m/s
5 0
2 years ago
Read 2 more answers
Post WWII Germany was divided into four zones with the Americans occupying one zone and all of the following countries occupying
maxonik [38]

Answer:

b. Italy

Explanation:

Italy had sided with germany and lost in world war 2

After the Potsdam conference, Germany was divided into four occupied zones: Great Britain in the northwest, France in the southwest, the United States in the south and the Soviet Union in the east.

europeuncedu

3 0
1 year ago
Un objeto se mueve con una rapidez constante de 8 m/s. Esto significa que el objeto: a) Aumenta su rapidez en 8m/s cada segundo
Hatshy [7]

Explanation:

Constant speed means that the object is covering equal distance in equal interval of time. The motion is called uniform motion for such case. In this problem, it is given that an object is moving with a constant speed of 8 m/s. It means that it does not change its speed. It is moving with a single speed constantly.

We can say that it moves 8 meters every second or 800 cm every second.

4 0
3 years ago
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