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3 years ago

Which statement describes the force between charged particles

Physics

1 answer:

Anuta_ua [19.1K]3 years ago

3 0

The force (attractive if the charges are dissimilar, else repulsive) is along a line that connects the two particles.

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Question 4 of 10 A student measures the time it takes for two reactions to be completed. Reaction A is completed in 39 seconds,

Delicious77 [7]

I think the answer is d but I’m not sure

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2 years ago

Two loudspeakers in a 20c room emit 686 hz sound waves along the x-axis.a. if the speakers are in phase, what is the smallest di

jeyben [28]

<u>Answer :</u>

(a) d = 0.25 m

(b) d = 0.5 m

<u>Explanation :</u>

It is given that,

Frequency of sound waves, f = 686 Hz

Speed of sound wave at $20^0\ C$ is, v = 343 m/s

(1) Perfectly destructive interference occurs when the path difference is half integral multiple of wavelength i.e.

$d=\dfrac{\lambda}{2}$ ........(1)

Velocity of sound wave is given by :

$v=f\times \lambda$

$d=\dfrac{v}{2f}$

$d=\dfrac{343\ m/s}{2\times 686\ Hz}$

$d=0.25\ m$

Hence, when the speakers are in phase the smallest distance between the speakers for which the interference of the sound waves is perfectly destructive is 0.25 m.

(2) For constructive interference, the path difference is integral multiple of wavelengths i.e.

$d=n\lambda$ ( n = integers )

Let n = 1

So, $d=\dfrac{v}{f}$

$d=\dfrac{343\ m/s}{686\ Hz}$

$d=0.5\ m$

Hence, the smallest distance between the speakers for which the interference of the sound waves is maximum constructive is 0.5 m.

4 0

3 years ago

Read 2 more answers

While hovering motionless 3.0 meters an asteroid, a small

AnnZ [28]

I have no idea what you are trying to ask sorry

4 0

3 years ago

How can you increase the force required to move an object without changing the mass of the object?

Effectus [21]

To increase the force required to move an object without change mass is : To increase the acceleration of the object

<h3>Force acting on an object </h3>

Given that Force = Mass * acceleration

An increase in the acceleration of an object in motion will result in a proportional increase in the Force required to move the object becasue force of an object is directly proportional to the acceleration of an object.

Hence we can conclude that To increase the force required to move an object without change mass is To increase the acceleration of the object.

Learn more about Force : brainly.com/question/25239010

8 0

2 years ago

The minute and hour hands of a clock have a common axis of rotation and equal mass. The minute hand is long, thin, and uniform;

bekas [8.4K]

Answer:

b. less than

Explanation:

Moment of inertia decreases as angular velocity increases. Therefore, since the minute hand is faster than the hour hand, it is safe to say that the moment of inertia of the minute hand is less than the moment of inertia of the hour hand?

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3 years ago