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1) A coffee cup immersion heater utilizes a heating coil of resistance R= 8.5 Ohms. If a current of 12.9A passes through the coil, when operated at 110V determine the electrical power dissipated in the coil.
B) If the coffe cup is used for 10 minutes, how much electrical energy is consumed by the coil.
A proton moves in a circular orbit 250mm in radius that is perpendicular to a uniform 0.37-T magnetic field. Decide the proton's speed. Decide the proton's kinetic energy.
particles 1 and 2 are fixed in place on an x axis at a separation of l 8.00cm. their charges are q1 e and q2 -
A vibrating string resonates at a frequency of 280 Hertz. The next highest resonant frequency is 350 Hz. Determine what is the fundamental frequency
When a charged particle moves at an angle of 23.6° with respectto a magnetic field, it experiences a magnetic force of magnitudeF. At what angle (less than 90.0°) with respect tothis field will this particle,
It's possible to use the ideal-gas law to show that the density of the earth's atmosphere decreases exponentially with height, What is the weight of a column of air
a wedge-shaped sliver of glass viewed from above is illuminated with 436-nm light. the sharp edge is dark. what is the
A sound wave from a siren has an intensity of 82.2 W/m2 at a certain point, Obtain the intensity level of sound wave due to ambulance
A box of mass m = 2.5 kg moves along a straight line through a vector displacement d = (6.4 i -3.4 j) m. What is the work done by this force as the box moves
A 89.0kg skydiver can be modeled as a rectangular "box" with dimensions 24.0cm \times 44.0cm \times 175cm. What is his terminal speed if he falls feet first
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 heat engine runs in the cycle A to B to C and back to A. The pressure at C is 200 kPa. The volume at C is 20 liters.
Pete slides a crate up a ramp with constant speed at an angle of 27 degrees by exerting a 133 N force parallel to the ramp. How much work has been completed against gravity when the crate is raised a vertical distance of 1.6 m? The coefficient of fri..
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