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a.) A 30 k? resistor has a current of 63 mA passing through it. Determine the voltage drop across the resistor.
V
b.) A 40 ? resistor has a 76 V drop across it. Determine the current passing through the resistor.
A
c.) A resistor has a voltage drop of 44 V when a 4.2 mA current is passing through it. Determine the resistance of the resistor.
k?
A stick of mass F is lying on a frictionless surface. A small ball of mass G and velocity v collides with the stick in the center of the stick a right angle to the rod. What is the angular velocity around the axis of rotation after this collision
The angular momentum of a flywheel having a rotational inertia of 0.140 kg m2 about its axis decreases from 3.40 to 0.90 kg m2/s in 2.20 s. What is the average power of the flywheel
In the days of horse-drawn wagons, iron tires used to be placed on wooden wagon wheels by heating the iron rims, what diameter will the tire have when it is heated to 680 oC
A point charge Q = +1.69 µC moving in a uniform magnetic field of B = 1.22 T has a velocity of v = 5.93×105 m/s that is perpendicular to the magnetic field. what is the direction of the resulting force
A particular constant, horizontal force exerted on a particular object free to slide on a level, what is the new value of acceleration
To fill a child's inflatable wading pool you use a garden hose with a diameter of 2.9 cm. How long will it take to fill the pool to a depth of 19 cm if it is circular and has a diameter of 2.4 m
A 100 kg car travelling at 20 m/s collides with a 100 kg car traveling at 8 m/s in opposite direction, a) if the two cars stick together, what is their final velocity
In a simple atom, the electrons making transitions between outermost energy levels and the innermost energy levels give rise to photons with the reddest colours.
a) What is the total charge of the neptunium nucleus (The neutral neptunium atom has 93 electrons.) = 1.49×10-17 C b) What is the magnitude of its electric field at a distance of 5.29×10-10 m from the nucleus
Water at 25 degrees celius is pumped from 100kPa to 5MPa in a pump with an efficiency of 75%, Calulate the temperature rise in the real pump
Hydraulic engineers often use, as a unit of volume of water, the "acre-foot", defined as volume of water that will cover 1 acre of land to a depth of 1 ft. A severe thunderstorm dumps 2.0 in. of rain in 30 min on a town of area 35 km2. What volume..
A battery (V = 2.4 V) contains E = 2.2 kJ of energy. It is connected to a P = 8 W light bulb. Input an expression for the light bulb's resistance
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