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1. ### 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

2. ### 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

3. ### 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

4. ### 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

5. ### What resistance should you place in parallel with a 56-kΩ resistor to make an equivalent resistance of 38 kΩ?

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

6. ### 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

ac = Vt^2/r = 103^2/106 = 100 m/sec^2 acceleration a = g-ac = 4-100 = 96 m/sec^2 reading = zero

2 Answers · Science & Mathematics · 04/11/2019

8. ### Collection of charge problem?

...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

9. ### To prepare a 0.119-mm diameter tungsten wire with resistance of 2.97kΩ. How long must the wire be? Resistivity of tungsten is 5.62×10^−8Ω·m?

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

10. ### A bridge across a small stream is made by supporting a 10m log with mass 75kg with ropes tied at the ends of the log to trees on the banks?

... 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