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denis23 [38]
4 years ago
10

A proton enters a uniform magnetic field of strength 0.5 T at 200 m/s. The magnetic field is oriented at an angle of 30° to the

proton’s velocity. What is the magnitude of the force that the proton experiences while it moves through the magnetic field?
Physics
1 answer:
-BARSIC- [3]4 years ago
8 0
<h2>The force experienced is 8 x 10⁻¹⁸ N</h2>

Explanation:

When any charge moves into the magnetic field , it experiences the force

The force can be calculated by the relation F = q v B sinθ

here q is the charge and v is its velocity .

B is magnetic field strength and θ is the angle between field and velocity vectors .

Thus F = 1.6 x 10⁻¹⁹ x 200 x 0.5 x  sin 30

=  8 x 10⁻¹⁸ N

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A car has an initial velocity of 10m/s. It accelerates at a rate of 2m/s2 until it reaches 30m/s. How far does it travel and for
Anna [14]

Answer:

acceleration=(v final-vinitial)/time

a=(vf-vi)/t

2=(30-10)/t

2=20/t

t=20/2=10 seconds

distance=v0t+at²/2

d=10 x 10+ 2x 10²/2=100+100= 200 m

Explanation:

7 0
2 years ago
A car enters a freeway with a speed of 6.5 m/s and accelerates to a speed of 24 m/s in 3.5 min. How far does the car travel whil
Vesna [10]

Explanation:

<u>Using Equations of Motion</u> :

(1) v = u + at

24 = 6.5 + a * 210

<u>a (Acceleration) = 0.083 m/s^2 </u>

<u>(</u><u>2</u><u>)</u><u> </u> v^2 = u^2 + 2aS

S = 576 - 42.25 / 0.166

<u>S (Distance travelled) = 3215.3 m </u>

(Option A seems a typo since the answer is 3215.3 m)

4 0
3 years ago
What resource could run out thousands of years from now energy resourses
Sever21 [200]
Oil is the most common out of non renewable resources .-.
8 0
3 years ago
A ruby laser delivers a 16.0-ns pulse of 4.20-MW average power. If the photons have a wavelength of 694.3 nm, how many are conta
stepan [7]

Answer:

The  value is  n  =  2.347 *10^{17} \  photons

Explanation:

From the question we are told that

     The  amount of power delivered is  P  =  4.20 \  M W  =  4.20  *10^{6} \  W

      The  time taken is  t =  16.0ns  =  16.0 *10^{-9} \  s

       The  wavelength is  \lambda  =  694.3 \  nm =  694.3 *10^{-9} \  m

     

Generally the energy delivered is  mathematically represented as

     E  =  P  * t  =  \frac{n  *  h  *  c  }{\lambda }

Where  h is the Planck's constant with value  h  =  6.262  *10^{-34} \  J \cdot  s

           c  is the speed of light with value  c =  3.0*10^{8} \  m/s

     

So  

    4.20 *10^{6}  *  16*10^{-9}=  \frac{n  *  6.626 *10^{-34}  *  3.0*10^{8}  }{694.3 *10^{-9}}

=>    n  =  2.347 *10^{17} \  photons

4 0
3 years ago
If the change in velocity increases, what happens to the acceleration during the same time period?
vfiekz [6]
The answer should be “Acceleration increases.”
4 0
3 years ago
Read 2 more answers
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