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A mass of 6.70 kg is suspended from a 1.15 m long string. It revolves in a horizontal circle as shown in the figure. The tangential speed of the mass is 2.27 m/s. Calculate the angle between the string and the vertical.
A 3.62m long organ pipe is open on both ends. the fundamental frequency is 47Hz, and Find its first three overtone frequencies
The angular position of a pendulum is represented by the equation given below where ? is in radians and ? = 4.12 rad/s. Determine the period and length of the pendulum
A container of hot water at 80 degrees cools to 79 degrees in 15 seconds while it is placed in a room that is t 20 degrees. Use newton's law of cooling to estimate the time it will take for the container to cool from 50 degrees to 49 degrees.
A 0.57-mH inductor and a 131-? resistor are placed in series with a 24-V battery. What is the maximum energy stored in the inductor
what speed does the rock have as it strikes the ground?
A 70 pF capacitor and a 280 pF capacitor are both charged to 3.6 kV. They are then disconnected from the voltage source and are connected together, Find the energy lost when the connections are made
If the near-point distance of the jeweler is 21.8cm, find the angular magnification when the diamond is held 5.74cm from the magnifying glass
4.60g of nitrogen gas at 22.0?C and an initial pressure of 3.30atm undergo an isobaric expansion until the volume has tripled. A) How much heat energy is transferred to the gas to cause this expansion
q1. a student calculates the frequency of a waveform produced through a tuning fork to be 303 hz. if the tuning fork is
A computer is reading data from a rotating CD-ROM. At a point that is 0.030m from the center of the disk, centripetal acceleration is 120m/s2. What is the centripetal acceleration at a point that is 0.05 m from the center of disc.
A motorcycle and rider have a total mass equal to 305 kg. What is the net force on the motorcycle
Suppose V max = 120 V for an alternating current power source. What is the rms voltage for the source
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