# Yahoo Web Search

1. ### A thin, hollow sphere of radius r = 0.540 m and mass m = 13.5 kg turns counterclockwise about a vertical axis through its center.?

...inertia in kg•m² I = cMR²     M is mass (kg), R is radius (meters)     c = 1 for a ring or hollow cylinder     c = 2/5...

1 Answers · Science & Mathematics · 23/10/2020

2. ### Find: the value of the resistor R and the power supplied by the 120V source?

Hope you can read that R = 0.556 ohms Power = 1980 watts

1 Answers · Science & Mathematics · 25/10/2020

3. ### Escape velocity?

Ve = √(2GM/ R ) Ve' = √(2G*1.61M / 0.783R) = Ve * √(1.61/0.783) = Ve * 1.434 Ve' = 1663m/s * 1.434 = 2385 m/s Hope this helps!

1 Answers · Science & Mathematics · 24/10/2020

4. ### Physics question ?

...mass of ion, q = charge on ion, B = magnetic field strength, r = radius of curvature of ion path, v0 = speed ion enters the...that r is proportional to m so if m increases, r increases. You can find an illegal substance in...

1 Answers · Science & Mathematics · 19/10/2020

5. ### Physics Problem: Find expression for terminal speed?

at terminal speed, drag force = weight = mg mg = (6πη R )V V = mg/(6πη R )

1 Answers · Science & Mathematics · 20/10/2020

6. ### Babylon 5 rotational rate of a person ?

... Answer..... I did it like this:    F = mv^2 / R   = 1.5mg,  where  m = mass of  person. F = centripetal force on person due to rotation...

2 Answers · Science & Mathematics · 19/10/2020

7. ### Basic Physics Question?

... and m₂ are the masses of the two objects in kg r is the distance in meters between their centers

1 Answers · Science & Mathematics · 19/10/2020

8. ### The Moon has a mass of 7.35x10^22 and the mass of the earth is 5.97x10^24. The moons mean orbit distance (center to center) is around the ?

... / m = 1.99e20N / 7.35e22kg = 2.70e-3 m/s² (d) a = v²/ r → v = √(a* r ) v = √(2.70e-3m/s * 3.84e8m) = 1020 m/s Hope this helps...

1 Answers · Science & Mathematics · 22/10/2020

9. ### Physics question need help?

...t   so  2π / t      you do the calculation   answer in rad/ sec   c)  w = v / r     so     v = wr         again  you calculate  v  you calculated  w...

1 Answers · Science & Mathematics · 22/10/2020

10. ### Force Vectors Physics?

...quot;left" 4. net 120 N north and net 100 N east results in R = √(120² + 100²) N = 156 N with direction Θ = arctan...

2 Answers · Science & Mathematics · 20/10/2020