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Use the discriminant of the given function to predict how many solutio..
Use the discriminant of the given function to predict how many solutions it has. Also check if the solutions are real or imaginary. 9 x 2 + 17 x - 9 = 0..
Use the discriminant of the given function to predict how many solutio..
Use the discriminant of the given function to predict how many solutions it has. Also check if the solutions are real or imaginary. 5 x 2 - 5 x + 4 = 0 => 2 real..
Use the discriminant of the given function to predict how many solutio..
Use the discriminant of the given function to predict how many solutions it has. Also check if the solutions are real or imaginary. 11 x 2 - 3 x + 10 = 0 => 2 realh..
Solution
The energy of a photon is given by E = h n where the frequency of light = 3.0 x 10 1 5 s - 1 Planck's constant, h = 6.63 x 10 - 3 4 J s E = (6.63 x 10 - 3 4 J s) x (3.0 x 10 1 5 s - 1 ) = 6.63 x 3 x 10 1 9 J = 1.99 x 10 -18 ..
Use the discriminant to find the nature of the solutions of the given ..
Use the discriminant to find the nature of the solutions of the given quadratic equation. 10 x 2 + 8 x + 9 = 0 => two real, irrational, unequal numbers or two complex conjugate numbers or two real, rational, unequal num..
Use the discriminant to find the nature of the solutions of the given ..
Use the discriminant to find the nature of the solutions of the given quadratic equation. - x 2 + 5 x + 10 = 9 => two real, irrational, unequal numbers or two complex conjugate numbers or two real, rational, unequal numbers or on..
Suggested solution:
Let v be the speed acquired by the electron when accelerated by a potential difference of V. Then, (1/2) mv 2 = eV or v = 2eV/m The radius R of the circular path inside the magnetic field is mv 2 / R = BeV Given: B = 0.2 T, V = 3000 V, e = 1.6 x 10 1 9 c, m = h..
Let v be the speed acquired by the electron when accelerated by a potential difference of V. Then, (1/2) mv 2 = eV or v = 2eV/m The radius R of the circular path inside the magnetic field is mv 2 / R = BeV Given: B = 0.2 T, V = 3000 V, e = 1.6 x 10 1 9 c, m = h..Tonicity of Solutions
Cell walls in living organisms are seldom perfectly semipermeable. Usually they permit passage to some of the simpler substances and then these substances fail to register an osmotic pressure contribution on the cell walls. The reduced osmotic pressure of a solution operating on a particu..
Use the discriminant to find the nature of the solutions of the given ..
Use the discriminant to find the nature of the solutions of the given quadratic equation. 6 x 2 - 13 x + 1 = 0 => one real, rational number (double) or two real, rational, unequal numbers or two real, irrational, unequa..
Use the discriminant to find the nature of the solutions of the given ..
Use the discriminant to find the nature of the solutions of the given quadratic equation. 16 x 2 - 56 x + 49 = 0 => two real, rational, unequal numbers or two real, irrational, unequal numbers or two complex conjugate numbers or ..
Result
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