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A large air conditioner has a resistance of 8.0 A?©and an inductive reactance of 17 A?© . The air conditioner is powered by a 55.0 Hz generator with an rms voltage of 220 V .
A) Find the impedance of the air conditioner. Z=_____A?©
B) Find the rms current. Irms=______A
C) Find the average power consumed by the air conditioner. Pav=______W
The middle C string on a piano is under a tension of 977 N. The period and wavelength of a wave on this string are 3.82 ms, Find the linear density of the string
A magnetic field is perpendicular to the plane of a single-turn circular coil. The magnitude of the field is changing, What current is induced in the square coil
An object-spring system oscillates by amplitude of 3.4 cm. If the spring constant is 280 N/m and object has a mass of 0.50 kg, decide each of the following values.
A 0.400-kg bead slides on a frictionless, curved wire, starting from rest at pt A, Find the speed of the second bead just after the collision
A 2-kg block rests on top of a table 80 cm from the floor. Find the potential energy of the book relative to the floor
X-rays are scattered from a target at an angle of 15.2° with the direction of the incident beam. Find the wavelength shift of the scattered x-rays
A new type of personal scale is designed where the person stands on top of a platform supported by a rubber cylinder which has a radius of 5 cm and a height of 10 cm. What is the mass of the person
a string 0.23 m long vibrating in the n 2 harmonic excites an open pipe 0.82 m long into second overtone resonance.
You have two weeks vacation and want to travel to a gambling space colony located 3.22 x 10^14 meters from Earth. how fast must you travel to accomplish this
A certain string on a piano is tuned to produce middle C (f1= 261.63 Hz) by carefully adjusting the tension in the string
A 2.0 kg particle P has a position vector of magnitude 3.0 m and angle ?1 = 45° and a velocity vector of magnitude 5.5 m/s and angle ?2 = 30°. The force on the particle has magnitude 4.7 N and angle ? 3 = 30°. What is the magnitude of the torque on t..
A particle undergoes a displacement Δr of magnitude 57 m in a direction 25° below the x axis. Express Δr in terms of the unit vectors x and y.
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