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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

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

F = m w^2

**R**If F/**R**( the spring constant ) is kept constant then...2 Answers · Science & Mathematics · 20/02/2019

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

1/

**R**= 1/r1 +1/r2 ie., 1/38= 1/56+ 1/r2 Solving you get r2 = 118 kilo ohm.1 Answers · Science & Mathematics · 05/02/2020

.... I wheel is m

**r**^2 I disc is 2/5 m**r**^2 the disc has ...1 Answers · Science & Mathematics · 01/05/2019

ac = Vt^2/

**r**= 103^2/106 = 100 m/sec^2 acceleration a = g-ac = 4-100 = 96 m/sec^2 reading = zero2 Answers · Science & Mathematics · 04/11/2019

...aren't you smart enough to do this? a) Take the derivative with respect to

**r**and add a minus sign. The potential is constant outside of**r**= a, so the...1 Answers · Science & Mathematics · 30/04/2019

Resistance of a wire in Ω

**R**= ρL/A ρ is resistivity of the material in Ω-m L...1 Answers · Science & Mathematics · 09/02/2020

... tensions on the left and right sides (call 'em F and

**R**, respectively) at the angles given in the problem statement; the weight of...1 Answers · Science & Mathematics · 13/06/2019