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tamaranim1 [39]
2 years ago
9

11. A fundamental property of light is that it: 15

Physics
1 answer:
myrzilka [38]2 years ago
5 0

Answer:

Curves around objects

Explanation:

Diffraction is a property of light described by bending of light around an object. This ability of light to bend around edges has facilitated optical effects of light where there is interference of light waves. Other properties of light are: reflection, refraction, polarization, scattering of light, and interference of light.

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What is the power involved in lifting a 10-kg object 1.0 m in 0.50 s?
Sedbober [7]
In this question, we know that mass= 10 kg = 10 x 1000 = 10,000 g
Distance = 1 m and Time = 0.5 s

Power = Force x Velocity
Velocity = Distance / Time = 1 m / 0.5 s = 2 m/s
So, Power  = Force x (Distance / Time)
But Force= Mass x Acceleration due to gravity (g)
So, Force = 10 kg  x 9.8 m/s^{2} = 98
Therefore, Power =Force x Velocity= 98 x 2 = 196 W
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2 years ago
CO2 , NaCl , HCl can be classified as ?
ExtremeBDS [4]
I suppose they can all be classified as compounds
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3 years ago
A 1000 kg car is rolling slowly across a level surface at 1m/s, heading toward a group of small innocent children.
Ne4ueva [31]

Answer:

The force is -1620.73 N.

Explanation:

Given that,

Mass of car = 1000 kg

Velocity = 1 m/s

Distance = 2 m

Angle = 30°

We need to calculate the force

Using formula of work done

W_{net}=K_{f}-K_{i}

F\times d=K_{f}-K_{i}

Fd\cos\theta=-K_{i}

F=\dfrac{-K_{f}}{d\cos\theta}

F=-\dfrac{\dfrac{1}{2}mv^2}{d\cos\theta}

Put the value into the formula

F=-\dfrac{\dfrac{1}{2}\times1000\times(1)^2}{2\times\cos30}

F=-1620.73\ N

Hence, The force is -1620.73 N.

7 0
3 years ago
Read 2 more answers
Why the change of the pressure and temperature affect the velocity of the sound ​
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<h2>\large{\underbrace{\underline{\fcolorbox{White}{aqua}{\bf{ANSWER♥︎}}}}}</h2>

<u>Air pressure has no effect at all in an ideal gas approximation. This is because pressure and density both contribute to sound velocity equally, and in an ideal gas the two effects cancel out, leaving only the effect of temperature. Sound usually travels more slowly with greater altitude, due to reduced temperature.</u>

5 0
2 years ago
Which is less likely to be a reliable source of information, the webpage of a university or the webpage of a scientist who is tr
tatyana61 [14]

webpage of a scientist who is trying to sell a new invention

trying to dell = vested interest.

umiversity should be objective impartial

7 0
2 years ago
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