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A blow-dryer and a vacuum cleaner each operate with a voltage of120 V. The current rating of the blow-dryer is 12 A, and that of the vacuum cleaner is 5.5 A.a) Determine the power consumed by theblow-dryer.b) Determine the power consumed by the vacuum cleaner.c) Determine the ratio of the energy used by the blow-dryer in11 minutes to the energy used by thevacuum cleaner in one-half hour.Ebd / Evc =
A uniformly charged thin ring has radius 14.5cm and total charge 20.0nC, Find the speed of the electron when it reaches the center of the ring
a 5kg ball is hanging from a long but very light flexible wire when it is struck by a 1.5kg stone traveling
A car initially travelling at 25.90 m/s undergoes a constant negative acceleration of magnitude 1.60 m/s2 after it brakes are applied. How many revolutions does each tire make before the car comes to a stop, assume the car does not skid and the ti..
A 2.50 kg object is attatched to a spring and placed on a horizontal, smooth surface. Find the total energy of the oscillating system
It is desired to build a heat pump that has an output temperature of 31 °C. Calculate the maximum coefficient of performance for the pump when the input source is ground water at 8.1 °C
Mars orbits the Sun at a mean distance of 228 million km, in a period of 687 days. The Earth orbits at a mean distance of 149.6 million km, in a period of 365.26 days. what is the angle between the Earth-Sun line and the Mars-Sun line
What is the maximum electric field magnitude between the cylinders?
A 500g ball moving at (10.0cm/s, +x) collides with an identical ball at rest.The incoming ball scatters at 30 degrees with respect to the +x axis, What is the speed of the each ball after collision
To transmit only portions of an input wave lying on one side of an amplitude boundary, you would use a.
A brick of mass M sits on a rubber pillow of mass m . Together they are sliding to the right at constant velocity on an ice-covered parking lot, Draw a free-body diagram of the brick and identify each force acting on it
Find the mode configurations and frequencies for transverse oscillations of a beaded string of 5 beads with one end fixed and one end free to move. Plot the five points on a dispersion relationship ω vs k
q1. a car of mass 1100 kg travelling at 50.0kmhr enters a banked turn covered with ice. the road is banked at an angle
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