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Determine (i) the capacitance in pico farads, (ii) the magnitude of the charge in nano-coulombs on each plate, (iii) the stored energy in micro-joules, (iv) the electric field in N/C among the plate
The vertical height between the vaccine's surface in the reservoir and the opening can be avoided. Determine the speed at which the vaccine emerges.
Water flows straight down from the open faucet. The cross-sectional area of the faucet is around 0.000170 m^2, and the speed of the water is 0.77 m/s as it leaves the faucet. Avoiding air resistance
A fuel pump sends gasoline from the car's fuel tank to the engine at a rate of 0.0574 kg/s. The density of gasoline is 735 kg/m3, and the radius of the fuel line is 0.00322 m. Determine the speed at
The object is solid throughout. If the object is fully submerged in ethyl alcohol, its apparent weight is 15.8 N. If fully submerged in water, its apparent weight is 13.8 N. Determine the volume of
Avoid the mass of the balloon and the air within it. Do not avoid the buoyant force applied on the shipping container by the water. The density of sea-water is 1025 kg/m^3.t
Avoid any height difference between the plunger and the piston. Determine the ratio of the radius of the plunger to the radius of piston?
Determine how many square meters of PV would it take to give 1 kW for a world population of 6 billion? When these cells were crystalline silicon of 200 microns thick (200*10^-6), determine the minim
A person who weighs 605 N is riding on a 98-N mountain bike. Assume that the whole weight of the rider and bike is supported uniformly by the two tires. When the gauge pressure in each tire is 89000
A commercially available solar cell module puts out 3Volts and 0.1 amp, and measures 5cm by 8cm. Determine how large an array is essential to give an output of 40 W?
Find out the smallest number of whole blocks (comprising the one on the ground) which can be stacked so that their weight makes a gauge pressure of at least two atmospheres on the ground below the f
The density of gold is 19 300 kg/m^3, and the density of quartz is 2660 kg/m^3. Determine the mass of the gold in the rock.
(i) What is the maximum weight W which can be supported in this way without pulling out the nail? (ii) Determine the magnitude of the force which the hinge applies on the pole?
When the solar cells have an efficiency of 10%, then what area of land is required to produce an output of 1000 MW? Suppose that the mean isolation is 500 W/m^2.
Two similar strings on different cellos are tuned to the 440Hz A note. The peg holding one of the strings slips, therefore its tension is reduced by 1.2%. Determine the beat frequency heard if the s
State the hydrostatic force against one side of the plate as an integral and calculate it. (Provide your answer correct to the near whole number in lbs.) Base is pointing up, parallel to the surface
A space-craft of 90-tonne (1 t = 1000kg ) moving in the positive x-direction at 0.48 m/s docks with a 75-tonne craft moving in the negative x-direction at 0.80 m/s. i) Determine the velocity of the
A ball of 130g moving at 0.35 m/s in the positive x-direction is subjected to a 0.15 N force in the negative y-direction for 2.5 seconds. i) Determine the magnitude of the momentum change of the bal
A baseball of 145-g approach the bat at 31.5 m/s. The batter imparts a 12.0kg x m/s- impulse in the opposite direction. Determine the new speed of the ball?
Verify that any ray coming in parallel to the principal axis of the parabolic surface will reflect towards the focal point of parabola. Begin with the general form of a parabola centered on the y-ax
An air-filled parallel-plate capacitor consists of a capacitance of 1.5 pF. The separation of the plates is twice and wax is inserted between them. The new capacitance is 3.7 pF. Determine the diele
Find out (i) the capacitance of the device, (ii) the free charge q (in C) on the inner shell and (iii) the charge q (in C) induced all along the surface of the inner shell.
The rods carry the similar current in the similar direction. The length of each rod is 0.90 m, whereas the mass of each is 0.084 kg. One rod is held in place above the ground, and the other floats u
A wire of 1.65 m length is formed into a single-turn, square loop in which there is a current of 12 A. The loop is positioned in a magnetic field of 0.04 T. Determine the maximum torque which the lo
A capacitor of 1.11 x 10-3 µF consists of an initial charge of 0.100 C. If a resistor is joined across the capacitor plates, there is an initial current via the resistor of 1.04 A. Determine t