What is the ratio of the radii of their orbits

Reference no: EM13304607

A 500-eV electron and a 300-eV electron trapped in a uniform magnetic field move in circular paths in a plane perpendicular to the magnetic field. What is the ratio of the radii of their orbits?

Reference no: EM13304607

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Calculate the time required to reduce the level to 1 m : A full tank (3 m height) discharges water from an output pipe following the equation: W_out = A z^1/2. Calculate the time required to reduce the level to 1 m. Data: A _s = 1 m^2, A = 0.2777 kg (s m^1/2), density water = 1000 kg/m^3

What must the expected return on the market be : A stock has an expected return of 10.4 percent, its beta is 1.01, and the risk-free rate is 6.30 percent.

Calculate the alkalinity due to hco3- and co3-2 : A water sample has phenolphthalein alkalinity (PPA) of 30 mg/L as CaCO3 and total alkalinity (TA) of 84 mg/L as CaCO3. If OH alkalinity is 5.3 mg/L as CaCO3, Calculate the alkalinity due to HCO3- and CO3-2.

What rate of return is he expecting : Knut owns NKr27,000 worth of XYZ's shares. What rate of return is he expecting? (Do not include the percent sign (%). Round your answer to 2 decimal places (e.g., 32.16).)

What is the ratio of the radii of their orbits : A 500-eV electron and a 300-eV electron trapped in a uniform magnetic field move in circular paths in a plane perpendicular to the magnetic field

What is the normality of a sodium hydroxide solution : What is the normality of a sodium hydroxide solution that contains 250 mg/L NaOH in 2.3 L solution? What is the concentration in mole/L and mg/L as CaCO3. Na = 23, OH = 17

Evaluate the efficiency of the engine : An engine has a hot reservoir temperature of 900 K and a cold reservoir temperature of 608 K. What is the efficiency of the engine

Calculate the concentration of nacl in mg per l : A waste water sample contains 2.092mmol/L NaCl. Calculate the concentration of NaCl in mg/L. What are the mmol/L concentrations of Na and Cl. Na = 23 and Cl = 35.5.

Describe the equation for discharging a water tank : Describe the equation for discharging a water tank. Use: H= 2m, A_s= 1m^2, density water= 1000kg/m^3, K = 1kg hr^-1 m^-1/2 Mass flow in = 0 and mass flow out given by, Mass flow out = K z^1/2.

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