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3 years ago

Rank the work done on the charged particles from highest to lowest

Physics

1 answer:

Artist 52 [7]3 years ago

4 0

Answer:

correct order of work done is given as

2 > 3 > 4 > 1

Explanation:

When positive charge is dragged opposite to electric field then in that case work done is positive while if negative charge is dragged opposite to electric field then the work done is negative

So here we will have

positive work for charge 2, 3 and 4 while for negative charge particle 1 the work done is negative

now here we also know that work done is product of force and displacement

so here work depends on displacement of charge particle

maximum displacement is force particle 2

minimum is for particle 4

so correct order of work done is given as

2 > 3 > 4 > 1

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Alberta is going to have dinner at her grandmother's house, but she is running a bit behind schedule. As she gets onto the highw

viktelen [127]

Complete Question

Alberta is going to have dinner at her grandmother's house, but she is running a bit behind schedule. As she gets onto the highway, she knows that she must exit the highway within 55 min if she is not going to arrive late. Her exit is 43 mi away. How much time would it take at the posted 60 mph speed?

Answer:

The time it would take at the given speed is $x = 43.00 \ minutes$

Explanation:

From the question we are told that

The time taken to exist the highway is $t = 55 min$

The distance to the exist is $d = 43\ mi$

Alberta speed is $v = 60 mph$

The time it would take travelling at the given speed is mathematically represented as

$t_z = \frac{d}{v}$

substituting values

$t_z = \frac{43}{60}$

$t_z = 0.71667\ hrs$

Converting to minutes

1 hour = 60 minutes

So 0.71667 hours = x minutes

Therefore

$x = 0.71667 * 60$

$x = 43.00 \ minutes$

5 0

3 years ago

What is the distance traveled by a vehicle in 12 minutes, if it’s speed is 35 km/h

Artemon [7]

Answer:

7 km

Explanation:

Okay so an hour is 60 mins, so

60/ 12 = 5

35/ 5 = 7

7 km

5 0

3 years ago

Read 2 more answers

Pls help i begg youuuuu

Anna [14]

Pitch is the sensation of certain frequencies to the ear. High frequency = high pitch, low frequency = low pitch.

f = c(speed of the wave) / λ (wavelength)

1. 343m/s / 0.77955m = 439.99 Hz
This corresponds to pitch A

2. 343m/s / 0.52028m = 659.26 Hz
 This corresponds to pitch E

3. 343m/s / 0.65552m = 523.349 Hz
 This corresponds to pitch C

4. using f = c / λ
λ = c / f
= 343m/s / 587.33 = 0.583999 m = 0.584 m

3 0

3 years ago

A lightning bolt transfers 6.0 coulombs of charge from a cloud to the ground. In 2.0*10^-3 second. What is the average current d

Savatey [412]

Answer:

sup cuh, i just want the point lol

Explanation: sorry not sorry reases

6 0

2 years ago

A soap bubble, when illuminated with light of frequency 5.27 Hz × 1014 Hz, appears to be especially reflective. If it is surroun

denis23 [38]

Answer:

$1.07004\times 10^{-7}\ m$

Explanation:

$n_s$ = Refractive index of bubble = 1.33

f = Frequency of light = $5.27\times 10^{14}\ Hz$

c = Speed of light = $3\times 10^8\ m/s$

The wavelength of light is given by

$\lambda=\dfrac{2n_st}{m-\dfrac{1}{2}}$

Wavelength is also given by

$\lambda=\dfrac{c}{f}$

m = 1 for minimum thickness

$\dfrac{c}{f}=\dfrac{2n_st}{m-\dfrac{1}{2}}\\\Rightarrow t=\dfrac{m-\dfrac{1}{2}c}{2n_sf}\\\Rightarrow t=\dfrac{(1-\dfrac{1}{2})\times 3\times 10^8}{2\times 1.33\times 5.27\times 10^{14}}\\\Rightarrow t=1.07004\times 10^{-7}\ m$

The minimum thickness is $1.07004\times 10^{-7}\ m$

4 0

4 years ago