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1. ### Charge/Mass Ratio of Electron & Induction??

F = q * v x B and the force F = m*a = mv²/r and since v and B are at right angles, v x B has...

2 Answers · Science & Mathematics · 11/02/2020

2. ### If the frictional force is the only force that causes the system to lose energy, what is the fractional change in the kinetic energy?

...positive direction. Conservation of angular momentum during the collision phase. m = mass R = Radius of disc A ρ = material density h = material thickness...

1 Answers · Science & Mathematics · 08/02/2020

3. ### Calculate the net electric flux?

...s apply this idea. Part J:  the radial position of the charge is r = sqrt(1^2 +1^2) = sqrt(2) = 1.41 cm Therefore the charge is ...

2 Answers · Science & Mathematics · 09/02/2020

4. ### What is the rotational kinetic energy of the cylinder when it reaches the bottom of the ramp?

... = ½0.2•0.15² = 0.00225 kg•m² ω = V/r = V/0.15 mV² + Iω² = 1.826 J 0.2V²...

2 Answers · Science & Mathematics · 07/02/2020

5. ### How fast is the handle turning when the bucket hits bottom?

The mass of the cylinder acts as if it is 1/2 m ie 12 * g * 13 = 1/2 * ( 12+2) v^2 -> v= sqrt( 12*9.8*13 *2/14) = 14.8 m/s  and w = v/r = 14.8 / 0.080 = 185 radians per second.  ( neglecting the handle )

1 Answers · Science & Mathematics · 07/02/2020