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kondaur [170]
3 years ago
13

What characteristic of water makes it the universal solvent?

Physics
1 answer:
AveGali [126]3 years ago
8 0
I can break everything thing down
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In higher mass stars, repeating cycles of fusion will create heavier elements in layers
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The element is iron.
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2 years ago
a 0.145 kg baseball pitched at 39.0 m/s is hit on a horizontal line drive straight back toward the pitcher at 52.0 m/s. if the c
velikii [3]

consider the velocity towards the pitcher as positive

m = mass of the baseball = 0.145 kg

v₀ = initial velocity of the baseball = - 39 m/s

v = final velocity of the baseball = 52 m/s

t = time of contact = 3 x 10⁻³ sec

F = average force between bat and ball

Using impulse-change in momentum equation

F t = m (v - v₀ )

F (3 x 10⁻³) = (0.145) (52 - (- 39))

F = 4398.33 N

3 0
3 years ago
A thin film of soap with n = 1.34 hanging in the air reflects dominantly red light with λ = 642 nm. What is the minimum thicknes
wariber [46]

Answer:

The minimum thickness of the film and the wavelength of the light in air are 1.197\times10^{-7}\ m and 371 nm.

Explanation:

Given that,

Refractive index of soap= 1.34

Refractive index  of glass= 1.55

Wavelength = 642 nm

(I). We need to calculate the minimum thickness

Using formula of thickness

t=\dfrac{(2m+1)\lambda}{4n}

Where, m = 0 for constrictive

Put the value into the formula

t=\dfrac{(642\times10^{-9})}{4\times1.34}

t=1.197\times10^{-7}\ m

(II). We need to calculate the wavelength

Using formula of wavelength

\lambda=\dfrac{2nt}{m}

Where, m = 1

Put the value into the formula

\lambda=\dfrac{2\times1.55\times1.197\times10^{-7}}{1}

\lambda=371\ nm

Hence, The minimum thickness of the film and the wavelength of the light in air are 1.197\times10^{-7}\ m and 371 nm.

6 0
2 years ago
What unit is used to measure loudness and at what level can hearing loss happen?
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Decibel<span> (dB) and, hearing loss levels can be anywhere like </span><span><span>-56 to -70 dB for Moderate/severe hearing loss, -</span><span>71 to -90 dB for Severe loss and</span><span> -91 dB for <span>Profound loss.</span></span></span>
6 0
3 years ago
Consider a metal rod of uniform temperature. Is it possible that heat spontaneously flow from one end of the rod to the other en
raketka [301]

Answer:

No its not possible in that yes heat flow is due to temperature different but with time equilibrium in temperature is reached hence there is no temperature difference at both ends at this time

4 0
2 years ago
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