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1. stumped on physics?

...of gravity. conservation of angular momentum. initial = rmV = 0.34•m•5.6 final = r •m•3.2 set them equal 0.34•m•5.6 = r •m•3.2 r = 0.34•5.6/3...

1 Answers · Science & Mathematics · 12/01/2021

2. i need help in physics?

angular momentum L = m*v* r 4.5 kg·m²/s = 0.25kg * 3.5m/s * r r = 5.1 m

1 Answers · Science & Mathematics · 12/01/2021

3. Can someone solve these?

... 450•150/600 = 112.5 Ω that is in series with 20 for a total R of 132.5 Ω battery current = 8/132.5 = 0.0604 amps voltage across the...

5 Answers · Science & Mathematics · 12/01/2021

4. Physics: Rotational Variables Problem Set?

The nose of the jet subtends the same angle, so s = Θ r = 8.67e-3rads * 12.5km = 0.108 km = 108 m https://answers.yahoo.com/question/index?qid=20201112205647AA24OE9

1 Answers · Science & Mathematics · 13/01/2021

5. Physics 12 Circular Motion?

...do it. Let θ be the angle from vertical to the point of no contact. Let R be the radius of the curve Potential energy converts to kinetic energy...

3 Answers · Science & Mathematics · 07/01/2021

6. calculate the acceleration of the moon towards earth using Newtons 2nd Law F=ma. I know mass moon=7.35x10^22kg and earth is 5.98x10^24kg?

... the acceleration of bodies around it. a = (2 pi()/ T)^2 * R =(2*pi() / (27*24*60*60 +7*60*60+43*60+11.5))^2 * 3.84*10^8= 0.00272 m/s^2 ...

2 Answers · Science & Mathematics · 07/01/2021

7. Physics help !?

... at the new low planet orbit would follow Kepler's law.  R ^3 is proportional to t^2 giving sqrt(8) or D

2 Answers · Science & Mathematics · 08/01/2021

8. In the circuit shown in the figure below, find (a) the current in resistor R ; (b) the resistance R ; (c) the unknown emf ε.?

If this is not your circuit, then it may be that these steps will lead you to a solution for your circuit. (a) Kirchoff's Current at z: 6.00A - 4.00A - I = 0 A → I = 2.00 A (b) Kirchoff's...

3 Answers · Science & Mathematics · 13/01/2021

9. physics help?

1/2 m v^2 = - GMm/ R -> v is proportional to sqrt (M/ R ) -> V2 = 8 * sqrt(121/4)  ~ 44 km/s

1 Answers · Science & Mathematics · 07/01/2021

10. Four identical resistors connected in parallel have an equivalent resistance of 2 ohms. ?

4 resistors R in parallel Rp = 2 Ω R = ? 1/Rp = 1/ R +1/ R ...

2 Answers · Science & Mathematics · 06/01/2021