# Particles A level physics

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#1
I'm really confused on how to do this question
)8.1 × 10^−8 = 9.1 × 10^−31 × v2/5.3 × 10^−11
Or (v2 =) 4.72 × 10^12 seen
2.17 × 10^6 (m s−1)
0
1 month ago
#2
(Original post by r.maliak)
I'm really confused on how to do this question
)8.1 × 10^−8 = 9.1 × 10^−31 × v2/5.3 × 10^−11
Or (v2 =) 4.72 × 10^12 seen
2.17 × 10^6 (m s−1)
0
#3
(Original post by Eimmanuel)
the answer said to use F = mv^2/r but ive never seen that equation before
0
1 month ago
#4
(Original post by r.maliak)
the answer said to use F = mv^2/r but ive never seen that equation before
Have you studied circular motion?
0
#5
(Original post by Eimmanuel)
Have you studied circular motion?
nvm yh i get it now thx anways
0
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