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2 years ago

What is a conclusion?

Physics

2 answers:

Vikki [24]2 years ago

8 0

The end or finish of an event or process.

sleet_krkn [62]2 years ago

4 0

A conclusion is when lets say you read a story and they say whats the conclusion its like whats it about and what did you learn if it was a actual question with answer just show me a picture

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Describe the energy transformations that occur in a waterfall...

Leno4ka [110]

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3 years ago

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The current in a resistor is 3.0 A, and its power is 60 W. What is the voltage?

Novosadov [1.4K]

Answer:

20 volts

Explanation:

Use the equation $P=VI$

$60=V(3)$

$V=20$

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2 years ago

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A record player turntable initially rotating at 3313 rev/min is braked to a stop at a constant rotational acceleration. The turn

Rus_ich [418]

Answer:

(A) It will take 22 sec to come in rest

(b) Work done for coming in rest will be 0.2131 J

Explanation:

We have given the player turntable initially rotating at speed of $33\frac{1}{3}rpm=33.333rpm=\frac{2\times 3.14\times 33.333}{60}=3.49rad/sec$

Now speed is reduced by 75 %

So final speed $\frac{3.49\times 75}{100}=2.6175rad/sec$

Time t = 5.5 sec

From first equation of motion we know that '

$\alpha =\frac{\omega -\omega _0}{t}=\frac{2.6175-3.49}{4}=-0.158rad/sec^2$

(a) Now final velocity $\omega =0rad/sec$

So time t to come in rest $t=\frac{0-3.49}{-0.158}=22sec$

(b) The work done in coming rest is given by

$\frac{1}{2}I\left ( \omega ^2-\omega _0^2 \right )=\frac{1}{2}\times 0.035\times (0^2-3.49^2)=0.2131J$

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3 years ago

Light of wavelength 580 nm is incident on a slit of width 0.30 mm. An observing screen is placed 2.0 m past the slit. Find the d

uysha [10]

Answer:

Y = 3.87 x 10⁻³ m = 3.87 mm

Explanation:

This problem can be solved by using Young's double-slit experiment formula:

$Y = \frac{\lambda L}{d}$

where,

Y = fringe spacing = ?

L = slit to screen distance = 2 m

λ = wavelength of light = 580 nm = 5.8 x 10⁻⁷ m

d = slit width = 0.3 mm = 3 x 10⁻⁴ m

Therefore,

$Y = \frac{(5.8\ x\ 10^{-7}\ m)(2\ m)}{3\ x\ 10^{-4}\ m}$

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3 years ago

What are some different kinds of bias and how can they ruin a research project

m_a_m_a [10]

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2 years ago

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