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velikii [3]
3 years ago
10

Picture question please answer do in 5 mins

Physics
1 answer:
alexandr402 [8]3 years ago
4 0

Answer:

Can't see anything, please share clearly

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The force of replusion between two like charged particles will increase if​
Alex_Xolod [135]

Answer:

The distance of separation is decreased

Explanation:

From Cuolomb's law, we know that the strength of charge is inversely proportional to the distance of separation between the charges. To mean that increasing the distance let's say from 2m to 3 m would mean initial strength getting form 1/4 to 1/9 which is a decrease. The vice versa is true hence the force of repulsion can increase only when we decrease the distance of separation.

7 0
3 years ago
An endothermic reaction is defined as a reaction that _____.
Dmitry_Shevchenko [17]

Answer:

B.) Releases heat or light

Explanation:

5 0
3 years ago
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Part complete Sound with frequency 1240 Hz leaves a room through a doorway with a width of 1.11 m . At what minimum angle relati
Sedbober [7]

Answer:

14.43° or 0.25184 rad

Explanation:

v = Speed of sound in air = 343 m/s

f = Frequency = 1240 Hz

d = Width in doorway = 1.11 m

Wavelength is given by

\lambda=\frac{v}{f}\\\Rightarrow \lambda=\frac{343}{1240}\\\Rightarrow \lambda=0.2766\ m

In the case of Fraunhofer diffraction we have the relation

dsin\theta=\lambda\\\Rightarrow \theta=sin^{-1}\frac{\lambda}{d}\\\Rightarrow \theta=sin^{-1}\frac{0.2766}{1.11}\\\Rightarrow \theta=14.43^{\circ}\ or\ 0.25184\ rad

The minimum angle relative to the center line perpendicular to the doorway will someone outside the room hear no sound is 14.43° or 0.25184 rad

6 0
3 years ago
Which letter represents a wavelet
Blizzard [7]
A/c/d. that is the anser hope it helps
6 0
3 years ago
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The stored chemical energy in fuels is MOST OFTEN converted to _________ and _________ energy through combustion.
Vlad1618 [11]
I believe is c) light and electrical
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