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Lisa [10]
2 years ago
5

Can someone please help me with part a and d

Physics
2 answers:
Temka [501]2 years ago
7 0

Answer: question D is trough

Explanation: I learned this already

Semenov [28]2 years ago
4 0

Answer:

'a' is the crest while 'd' is the trough

Explanation:

'a' is the crest of the wave and it is defined as the maximum displacement of a wave from its initial position. The value of crest is a positive amplitude.

'd' is known as the trough and is the defined as the minimum displacement of an object from its initial position to produce a wave motion.

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A capacitor is charged until it holds 5.0 j of energy. it is then connected across a 10-kω resistor. in 13.6 ms , the resistor d
prohojiy [21]

Answer:

The capacite is C=5.32 uF using the equations of voltage and energy in capacitance  

Explanation:

The energy holds is 5 J and the resistor dissipates 2J so the energy total is 3J

Using:

V_{t}= V_{o}e^{\frac{-t}{R*C} }

Voltage in this case is the energy dissipated so

E_{t}= E_{o}e^{\frac{-t}{R*C} }

\frac{\sqrt{E_t} }{\sqrt{E_o} } = e^{\frac{-t}{R*C} }

\frac{\sqrt{3 J} }{\sqrt{5J} } = e^{\frac{-13.6ms}{10kw*C} }

Using the equation to find capacitance

ln 0.775= e^{\frac{-13.6 x10^{3} }{10x10^{3}*C }} \\ln(0.775)= ln * e^{\frac{-13.6 x10^{3s} }{10x10^{3}*C }} \\\\ln(0.775)= {\frac{-13.6 x10^{3} }{10x10^{3}*C }} \\C= \frac{-13.6 x10^{-3} }{10x10x^{3}*ln(0.775) }

C= 5.32x10^{-6} F

C= 5.32 uF because u is the symbol for micro that is equal to 10^{-6}

8 0
3 years ago
What is the function of mitochondria? BRAINLIEST WILL BE GIVEN PLS HELP
Citrus2011 [14]

Answer:

The Mitochondria generates most of the chemical energy needed to power the cell's biochemical reactions.

Explanation:

I studied the body organisms 2 years ago.

7 0
2 years ago
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If each of the charges is increased by two times and the distance between them is also increased by two times, the electromagnet
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Answer: The force does not change.

Explanation:

The force between two charges q₁ and q₂ is:

F = k*(q₁*q₂)/r^2

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Now, if we increase the charge of each particle two times, then the new charges will be: 2*q₁ and 2*q₂.

If we also increase the distance between the charges two times, the new distance will be 2*r

Then the new force between them is:

F = k*(2*q₁*2*q₂)/(2*r)^2 = k*(4*q₁*q₂)/(4*r^2) = (4/4)*k*(q₁*q₂)/r^2 = k*(q₁*q₂)/r^2

This is exactly the same as we had at the beginning, then we can conclude that if we increase each of the charges two times and the distance between the charges two times, the force between the charges does not change.

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A real spring does not oscillate forever. Instead, it eventually comes to a stop. Does this violate the law of conservation of e
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Raw data often appears in published scientific journals. Please select the best answer from the choices provided T F
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