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Lina20 [59]
3 years ago
7

A student has connected two generator/motors together. The student turns the crank 20 times and noticed the other crank only tur

ns 12 times. What happened to the "missing" energy?
Physics
1 answer:
Rufina [12.5K]3 years ago
6 0

Answer:

eu não consigo entender essa situação o Fim dessa história só pode ter confusão dos iguais com cabeças diferentes a invés de amigas são concorrentes

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Many of the headstones in graveyards are made of granite. What are these granite headstones turning into?
8_murik_8 [283]

The given question is incomplete as the options are missing. The options of this question are as follows-

a) limestone deposits in the soil beneath them, and ions that wash away

b) magnesium-bearing basalt in the soil beneath them, and ions that wash away

c) clays, rust, and sand that go into making soil beneath them, and ions that wash away

d) soluble ions that primarily go into making soil beneath them

e) diet pepsi.

Answer:

Option (C)

Explanation:

Granite is an intrusive igneous rock that is comprised of minerals such as quartz, feldspar and some amount of amphibole as well as mica. It is a very hard and resistant rocks, and so are commonly used for many purposes such as building stones, headstones and tombstones.

According to the given condition, these rocks constantly interacts with the wind, water, and other factors, as a result of which the rock weathers and creates sediments such as clays, sand and rust particles which are mostly deposited beneath the headstones and some are even washed away by the agents such as wind and water.

Thus, the correct answer is option (C).

8 0
3 years ago
two point charges of 3.4 μc and 6.6 μc are 0.20 m apart. what is the electrical potential energy of the system?
Daniel [21]

Explanation:

electrical potential = (6.6-3.4)/0.20

= 16 uc/m

8 0
3 years ago
ifif it takes 1-minute for 45 c of charge to pass a point in an electric circuit what is the current through the circuit?​
Rudiy27

Answer:

45C in a minute is

45/60 C in a second

.75 C in a second is 3/4 of an ampere.

Explanation:

5 0
3 years ago
A solid cylinder (1 =1/2mr2 ) with a mass of 4.83 kg and a radius of 0.057 m starts
netineya [11]

Answer:

v = 7.32 m/s

Explanation:

The potential energy will convert to kinetic energy

        ½Iω² + ½mv² = mgh

             Iω² +  mv² = 2mgh

(½mR²)(v/R)² + mv² = 2mgh

           ½mv² + mv² = 2mgh

                 ½v² + v² = 2gh

                      3v²/2 = 2gh

                           v² = 4gh/3

                           v² = 4(9.81)(4.10)/3

                           v² = 53.628

                            v = 7.323114...

                            v = 7.32 m/s

3 0
3 years ago
What best describes electrons
lyudmila [28]

Answer: A negatively charged particle that is found in atoms.

4 0
3 years ago
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