3 years ago

When U-235 splits, it usually emits

1 answer:

5 0

Splitting atoms. 'Fission' is another word for splitting. The process of splitting a nucleus is called nuclear fission. ... For fission to happen, the uranium-235 or plutonium-239 nucleus must first absorb a neutron.

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Tracy stands on a skateboard and tosses her backpack to her friend who is standing in front of her. Which best describes the acc

madreJ [45]

Answer:

Explanation:

It is less than the acceleration of the backpack because abs has a greater mass.

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3 years ago

Use the drop-down menus to identify the parts of the

DochEvi [55]

Answer:

Label A: Battery, Label B: Light or Bulb, Label C: Switch

Explanation:

I got it right.

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2 years ago

Two in-phase loudspeakers that emit sound with the same frequency are placed along a wall and are separated by a distance of 5.0

e-lub [12.9K]

Answer:

$f = 421.8 Hz$

Explanation:

When she moved a distance of 1 m from mid point she observe first destructive interference due to two speakers

so we can say that path difference of sound due to two speakers will be equal to half of the wavelength

so path difference is given as

$\Delta L = {3.5^2 + 12^2}^{0.5} - {1.5^2 + 12^2}^{0.5}$

so it will be

$\Delta L = 12.5 - 12.093$

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now we know that

$\frac{\lambda}{2} = 0.4066$

$\lambda = 0.813$

now frequency of sound is given as

$f = \frac{v}{\lambda}$

$f = \frac{343}{0.813}$

$f = 421.8 Hz$

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3 years ago

gladu [14]

v = u + at

50 = 0 + a*10

50 = 10a

a = 5 m/s^2

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2 years ago

How can you drop two eggs the fewest amount of times, without them breaking?

MrMuchimi

Answer:

Both eggs are identical. The aim is to find out the highest floor from which an egg will not break when dropped out of a window from that floor. If an egg is dropped and does not break, it is undamaged and can be dropped again. However, once an egg is broken, that's it for that egg.

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3 years ago