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In Figure 5-66, a force F of magnitude 7 N is applied to a FedEx box of mass m2 = 1.0 kg. The force is directed up a plane tilted by ? = 37°. The box is connected by a cord to a UPS box of mass 3.0 kg on the floor. The floor, plane, and pulley are frictionless, and the masses of the pulley and cord are negligible. What is the tension in the cord?
Water flows at speed of 4.9 m/s through a horizontal pipe of diameter 3.2 cm. The gauge pressure P1 of the water in the pipe is 1.5 atm. What is the gauge pressure of the water flowing through the constricted segment in atm
What is the temperature at point B?What is the work done BY the gas in the transition A to B? What is the efficiency of a Carnot cycle running between the lowest and highest temperature of the cycle above
In a transformer, the voltage across the primary coil is 120 V rms, and the voltage across the secondary coil is 10 kV rms (i.e. 10 000V). What is the impedance of the secondary coil
It took 1 sec for 1000 coulombs of charge flows through a resistor in circuit. How much current flowed through the rsistor
A toy of mass 0.155 kg is undergoing simple harmonic motion (SHM) on the end of a horizontal spring with force constant 305 N/m. What is the maximum speed attained by the object during its motion?
An explosion of a 10.0-kg bomb releases only two separate pieces the bomb was initially at rest and a 4.00-kg piece travels westward at 100 m/s immediately after the explosion
A dipole consist Of two charges Of opposite sign And each charge has a magnitude 7.20E-18C. compute the magnitude of the torque(in newton-meters) on the dipole
A uniform ladder of mass 50 kg and length 5m leans at an angle Theta against a frictionless wall. determine the minimum angle the ladder will not slip
At a certain instant of time a particle with charge q = 12 microcoulombs is located at x=0, y=2m; its velocity at that time is v=30 m/s i. Find the magnetic field,B, at (a) the origin
A silver wire has resistivity p = 1.96 x 10-8 ohm·m and a cross-sectional area of 4.40 mm2. What is the displacement current in the wire at that time
A 4.1-m-tall, 30-cm-diameter concrete column supports a 2.0×10^5kg load. By how much is the column compressed
A person tries to heat up the bath water by adding 6.0 L of water at 70ºC to 60 L of water at 30ºC. What is the final temperature of the water mixture
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