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BabaBlast [244]
3 years ago
10

What is light emitting diode​

Physics
1 answer:
Natali [406]3 years ago
8 0

Answer:

A light emitting diode (a semiconductor diode which glows when voltage is applied.

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A lead fishing weight of mass 0.20 kg is tied to a fishing line that is 0.50 m long. The weight is then whirled in a vertical ci
solong [7]

Answer:

Following are the solution to this question

Explanation:

please find the complete question in the attached file.

In point a:

The answer is "bottom".

In point b:

Using formula:

T= mg + \frac{m V^2}{2}

\to 100= 0.2 \times 9.81 + \frac{0.2 \times V^2}{0.5}

\to 100= 1.962+ \frac{0.2 + V^2}{0.5}\\\\\to  100- 1.962= \frac{0.2 + V^2}{0.5}\\\\\to  98.038= \frac{0.2 + V^2}{0.5}\\\\\to  49.019=0.2+V^2\\\\\to  48.819=V^2\\\\ \to  6.987 \ \frac{m}{s}

6 0
3 years ago
What does experimenter selected control mean?
ladessa [460]
The way in which the sample of participants is obtained from the experimental technique
4 0
4 years ago
The chemical energy in your food is transformed into what type of energy in your moving muscles?
LiRa [457]

Answer:

Mechanical energy

Explanation:

The chemical energy in the food gets changed into the mechanical energy of moving muscles.

6 0
3 years ago
What do psychologists used to assist them in diagnosing abnormal behavior?
soldier1979 [14.2K]

Ok so it usually includes the evaluation of symptom and disorder severity, patterns of symptoms over time number, frequency, and duration of episodes, and the patient's strengths and weaknesses.

8 0
3 years ago
Which of the following is an example of an exerting force?
Firlakuza [10]
A carpenter hammering a nail
Explanation:
This is the only choice that gives you an object exerting a force ( the carpenter/hammer ) and one that has a force exerted on it ( the bail )
All of the rest would be related to acceleration and speed
4 0
3 years ago
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