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The electric current is passed through solution, and 1.6g of copper is deposited on electrode each hour. Express total mass m on electrode as the function of time t and plot the graph.
By weight, 1st fertilizer is 20% potassium, 30% nitrogen and 50% phosphorus. 2nd fertilizer has percent of 10, 30, and 60 respectively. How much of each should be mixed to get 200lb of fertilizer wit
Total of $30,000 is invested in two stocks. At the end of year, one returned 6% and other returned 8% on original investment. How much was invested in stock if total profit was $2160?
She requires to determine Q(6) and Q(10). Second model supooses that amount of contaminant reduces exponentially. Determine this exponential model.
Compute the positive number coterminal with minus 5 pi over 12. Compute 2 different exact values of t for which Sin(t) = -1/2. Two values of t must not be coterminal.
The voltage across an X-ray tube is around 43.0 kV. Assume that that the molybdenum target in the X-ray tube is substituted by a silver target. Find out: (i) The cutoff wavelength of the tube
At very bottom of the circle, an extremely sharp knife is rapidly inserted, to cut the string directly beneath the point of support. Determine how far to the right of where the string was cut does t
Determine the energy delivered to the circuit throughout one period if the operating frequency is double the resonance frequency.
Determine row at which you must sit to maximize apparent size(Vertical) of screen at your eye. Write step by step solution and describe reason for each step.
The magnetic field is all over zero. The resistivity of copper is 1.70 x 10-8 O-m and the cross sectional diameter of the copper wire is 0.800 mm. The magnitude of induced voltage in the copper wir
A clump of clay of mass 5.1 kg is dropped to the turn-table and sticks at a point 1.7 m from the point of rotation. Determine the angular speed of the clay and turn-table.
A point charge of -1.5 µC is positioned at the origin. The second point charge of 12 µC is at x = 1 m, y = 0.5 m. Determine the x and y coordinates of the position at which an electron w
A star of radius 3.2 × 10^5 km rotates about its axis having a period of 34 days. The star undergoes a supernova explosion, whereby its core collapses into the neutron star of radius 11 km. A
A projectile having mass of 278 kg is launched straight up from the surface of earth with an initial speed vi. Determine the magnitude vi enables the projectile to just reach a utmost height of 4.0R
Bruce stands on the bank beside a pond, grasps the end of a 20.0 m long rope joined to a close by tree and swings out to drop into the water. When the rope begins at an angle of 30.0° with the v
Determine the price-demand equation of form p=mx+b, where p is price in dollars and x is demand in millions of bushels. Compute the equilibrium point.
A stationary Honda Civic consists of a mass of 1000.0 kg is rammed into from behind by a Honda Accord of mass 1680.0 kg traveling 23.0 m/s on the icy road. If they lock bumpers in the collision, det
While on an elevator, the apparent weight of Jaden is 540 N. When he is on the ground, the scale reading is 610 N. Determine Jaden's acceleration while on the elevator? (Use the y-axis to point upwa
Determine how much work is done by the Moon's gravitational field as a 925 kg meteor comes in from outer space and impacts on the surface of moon?
Determine periodic payment of the loan with present value $168000 and the annual intersest rate 8% for the term of 20 years, with payments made and interest charged 12 times per year.
Determine the number of atoms in a nickel coin. A nickel coin consists of a mass of around 5 g. Each mole (6.02 x 1023 atoms) consists of a mass of around 58 g.
The electron of charge q = -1.6x10^(-19)) is undergoing uniform circular motion having a radius R=2 x 10^(-8) generates a magnetic field at the center of the circle having a magnitude of 0.8 micro T
If graph crosses this asymptote, provide x-coordinate of intersection. Otherwise, define that graph doesn't cross asymptote.
Compute the magnitude of linear acceleration of the mass m2 as it drops downwards and the tension in the cord.
Assume that you are an astronaut in deep space, far from any source of gravity. You contain two objects which look similar; however one has a large mass and the other a small mass. Determine how ca