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1. ### Potential energy of three aligned charges?

u = (1/(4pi * eo))q1q2/r now each charge is pulled from infinity to its position so when...then when you bring the second charge you get U12 = (1/(4pi eo))*q1*q2/r then when you bring the thrid charge it is pulled agaisnt the two orginal...

1 Answers · Science & Mathematics · 13/06/2019

2. ### Physics: Vectors, velocity.?

2. The angle is given w/r/t horizontal, so Ax = A*cos45.0º Ay = A*sin45....

1 Answers · Science & Mathematics · 15/09/2019

3. ### What is the centripetal acceleration of a vehicle rounding a corner with a radius of 15m going 20.m/s?

a = v²/r = 20² / 15 = 26.666... = 27 m/s² YA asker Eric says "If the answer is right, I always upvote, and award best answer as well." Be like Eric.

3 Answers · Science & Mathematics · 27/02/2019

4. ### Earth & Moon: Solve Inequality?

ae=GMe/Re^2 am = GMm/ Rm^2 but Rm = R - Re ->Mm/(R-Re)^2 > Me/ Re^2 ...

1 Answers · Science & Mathematics · 30/05/2019

ac = V^2/r = 5^2/6.25 = 4.0 m/sec^2 at = 5.0 m/sec^2 a = √ac^2+at^2 = √4^2+5^2 = √41 m/sec^2

4 Answers · Science & Mathematics · 04/01/2019

6. ### A 176 g mass suspended from a spring oscillates with a period of 1.50 s. How much mass must be added to change the period to 3.05 s?

F = m w^2 R If F/R ( the spring constant ) is kept constant then...

2 Answers · Science & Mathematics · 20/02/2019

7. ### Physics question #2?

m*V^2/r = m*g*μ mass m cross V = √g*μ*r = √9.8*0.8*19.5 = 12.4 m/sec (44.5 km/h)

2 Answers · Science & Mathematics · 18/11/2019

8. ### Physics help!?

.... I wheel is m r^2 I disc is 2/5 m r^2 the disc has ...

1 Answers · Science & Mathematics · 01/05/2019

9. ### physics help?

Fc = m * v^2 ÷ r = 10.8 * 3.92^2 ÷ 0.589 = 165.95712 ÷ 0.589 This is approximately 282...

1 Answers · Science & Mathematics · 10/02/2019