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3 years ago

In this unit, the amount of solute is measured in?

Physics

2 answers:

slamgirl [31]3 years ago

8 0

I agree I’m pretty sure it’s liters like he said sorry if it is incorrect goo luck

Hoochie [10]3 years ago

5 0

Try liters if you haven’t done it yet. I’m so sorry if i’m incorrect.

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If the wavelength is changed to λ/2, does the central spot remain bright, does the central spot become dark, or do the fringes d

omeli [17]

Answer:The central spot becomes Dark

Explanation: it become dark because as the wavelength reduces,the velocity in the detector decreases, this time by 90degrees

4 0

3 years ago

A 6.0-kg box slides down an inclined plane that makes an angle of 39° with the horizontal. If the coefficient of kinetic frictio

jeka57 [31]

Answer:

a. $3.1 m/s^2$

Explanation:

The equation of the forces along the directions parallel and perpendicular to the slope are:

- Along the parallel direction:

$mg sin \theta - \mu_k R = ma$

where :

m = 6.0 kg is the mass of the box

g = 9.8 m/s^2 the acceleration of gravity

$\theta=39^{\circ}$ is the angle of the slope

$\mu_k = 0.40$ is the coefficient of friction

R is the normal reaction

a is the acceleration

- Along the perpendicular direction:

$R-mg cos \theta =0$

From the 2nd equation, we get an expression for the reaction force:

$R=mg cos \theta$

And substituting into the 1st equation, we can find the acceleration:

$mg sin \theta - \mu_k mg cos \theta = ma$

Solving for a,

$a=g sin \theta - \mu_k g cos \theta =(9.8)(sin 39^{\circ})-(0.40)(9.8)(cos 39^{\circ})=3.1 m/s^2$

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3 years ago

Explain a charged by neutral body negatively by induction

Tpy6a [65]

If a negatively charged object is used to charge a neutral object by induction, then the neutral object will acquire a positive charge. And if a positively charged object is used to charge a neutral object by induction, then the neutral object will acquire a negative charge.

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3 years ago

A student sees a commercial that claims a new dishwasher is energy efficient.

erma4kov [3.2K]

Answer:

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3 years ago

As the angle of incidence of light increases, what happens to the angle of refraction?

bixtya [17]

Answer:

it increases too as it bend away from the normal line

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3 years ago