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1. ### Guys, here is the problem...need help!!?

I do not know the "decay constant" that you...69 days. There are 2. 99 , or I will round it up to 3 of these... other words, you have a 1 /8-time or T_ 1 /8 of 8.04 days...

1 Answers · Science & Mathematics · 25/09/2009

2. ### electromagnatism help pelase?

Work done on bringing P2 towards P1 is stored as potential energy, V= 1 /4pi(epsilon0) Q1Q2/r V=9x10^9 2x10^-7 x 9x1)^-8/3 V=54 x 10...

1 Answers · Science & Mathematics · 05/08/2009

3. ### Gravitational potential energy question?

11,000j Work=ForcexDistance 11000=3680xd 11000/3680=d d=2. 99 PE=MassxAcc. of free fallxHeight PE=368kgx10x2. 99 PE=11,000

1 Answers · Science & Mathematics · 18/02/2010

4. ### determine the average radius of the earth's orbit about the sun?

You could do it with Keplerian mathematics... but this is fast and dirty... = 150,071,524,292 m Or you could put it as --> 1 .50E+8 km How Given: v = 2.99E+4 m...

3 Answers · Science & Mathematics · 26/03/2010

5. ### Grade 11 physics question, for my exam review?

qV = ½mv² v = √(2qV/m) q = 1 .602 x 10^-19C elementary charge v = √(2)(5.67 x 10^3 V)( 1 .602 x 10^-19 C)/ (9.11 x 10^-31 kg) v = 4.47 x 10^7 m/s Answer B

5 Answers · Science & Mathematics · 22/06/2010

6. ### Minimum angular speed & minimum number of rotations?

... able to remain in equilibrium and does not slide down. Let m = mass of... weight downwards = mg ... ( 1 ) For the angular speed, ω, centripetal...9.8 / (0.8 * 25/2)] rad/s = 0. 99 rad/s. [It seems that if...

2 Answers · Science & Mathematics · 10/05/2011

7. ### Can someone help with another work, force, power question?

I won't do the math but the way to go about it is to think of it in ...need to equate total energy to kinetic and potential energy. ie. Etot = 1 /2 m*v^2 + m*g*h where m = mass, g = gravitational acceleration (9.8 m/s...

1 Answers · Science & Mathematics · 13/11/2010

8. ### URGENT: Questions on Electric Field Strength?

Make sure you are doing things like converting... to coulombs 1 .) Electric field is...25) I have a 2 in front of 8. 99 because there are 2 fields...

1 Answers · Science & Mathematics · 27/02/2014

9. ### The starship commander, Captain Confusion, asks for the following information: what is the mass of Mongo?

A) Universal law of gravitation: F = GMm/R^2 F = mg = GMm/R^2 => M = gR^2/G Calculate gravitational acceleration of the planet: v = v0 - gt The mass of the stone is irrelevant, it reaches the...

1 Answers · Science & Mathematics · 11/09/2015

10. ### Grade 10 Physics help please!?

... energy = (0.025% / 99 .975%) * (solar energy) Geothermal energy = (0.025/ 99 .975) * ( 1 .74*10^17) = approximately 4.35 * 10^10 Watts.

1 Answers · Science & Mathematics · 27/01/2013

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