2 years ago

Can someone help me ?????

Physics

2 answers:

Norma-Jean [14]2 years ago

8 0

I think It’s d or c b it I 90 percent think it’s c

aksik [14]2 years ago

3 0

The answer is electromagnetic induction :) ask me if you need any more help.

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Please answer of this question

Bogdan [553]

Answer:

$\frac{\pi }{15}$ m

Explanation:

At 10am, the minute hand and hour hand are ' 2 hours apart', since the minute hand is at 12pm and hour hand is at 10am.

Angle between the two hands = 2/12 * 360

= 60°

Arc Length = $2\pi r(\frac{60}{360} )$

= $2\pi (0.2)(\frac{1}{6} )\\= \frac{\pi }{15} m$

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1 year ago

the amplitude of the wave is which of the following A. Resonance B. Reflection C. Energy D. Magnitude

OLga [1]

D.Magnitude is the answer

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Consider an isolated system, by which we mean a system free of external forces. If the sum of the particle energies in the syste

Airida [17]

Answer:

The system's potential energy is -147 J.

Explanation:

Given that,

Energy = 147 J

We know that,

System is isolated and it is free from external forces.

So, the work done by the external forces on the system should be equal to zero.

$W=0$

We need to calculate the system's potential energy

Using thermodynamics first equation

$\Delta U=W-\Delta E$

Put the value into the formula

$\Delta U=0-147$

$\Delta U=-147\ J$

Hence, The system's potential energy is -147 J.

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2 years ago

a class of seventh grade students conducted various scientific investigations throughout the year. which statement is the best e

MArishka [77]

Answer:

Explanation:it is

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As the boat in which he is riding approaches a dock at 3.0 m/s, Jasper stands up in the boat and jumps toward the dock. Jasper a

Annette [7]

Im pretty sure it’s a because it makes more sense you know?.

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2 years ago