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 one year ago
Please Help with Practice question!!!
An electrically charged particle accelerates uniformly from rest to speed v while traveling a distance x.
a) Show the acceleration of the particle is a= v^2/2x.
b) If the particle starts from rest and reaches a speed of 1.8 x 10^7 m/s over a distance of 0.10m, show that its acceleration is 1.6 x 10^15 m/s^2.
 one year ago
Please Help with Practice question!!! An electrically charged particle accelerates uniformly from rest to speed v while traveling a distance x. a) Show the acceleration of the particle is a= v^2/2x. b) If the particle starts from rest and reaches a speed of 1.8 x 10^7 m/s over a distance of 0.10m, show that its acceleration is 1.6 x 10^15 m/s^2.

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boomerang285
 one year ago
Best ResponseYou've already chosen the best response.0I know for B i just plug in the numbers...

shivaniits
 one year ago
Best ResponseYou've already chosen the best response.0you know \[v ^{2}u ^{2}=2as\] and here s=x and u=0 since it started from rest so we have: \[v ^{2}0=2ax\] \[a=v ^{2}/2x\]

shivaniits
 one year ago
Best ResponseYou've already chosen the best response.0now for second part just put the values for the equation.. hope this helps..!!

boomerang285
 one year ago
Best ResponseYou've already chosen the best response.0so the equation for part A is ...

shivaniits
 one year ago
Best ResponseYou've already chosen the best response.0yup that'w what you get after putting in the values x=s and u=0 in more general eqn \[v ^{2}u ^{2}=2as\]

boomerang285
 one year ago
Best ResponseYou've already chosen the best response.0ok, then for B it comes out like ...

boomerang285
 one year ago
Best ResponseYou've already chosen the best response.0[1.8 x 10^7]^2/ {2*0.1) ?

shivaniits
 one year ago
Best ResponseYou've already chosen the best response.0hope this sorted you out..!!

boomerang285
 one year ago
Best ResponseYou've already chosen the best response.01.62e + 15 m/s^2 ?

boomerang285
 one year ago
Best ResponseYou've already chosen the best response.0thats what comes up on a calculator.....

shivaniits
 one year ago
Best ResponseYou've already chosen the best response.0oh..the answer is \[16.2 \times 10^{14}\]

boomerang285
 one year ago
Best ResponseYou've already chosen the best response.0hmm wonder why mine is so off...

shivaniits
 one year ago
Best ResponseYou've already chosen the best response.0everything alright..!!
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