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A pendulum consists of a mass m = 0.080 kg hanging from a flexible string of length L. The string is very thin, very light, and doesn't stretch much. It makes small oscillations, with a period of 0.663 s. Find the oscillation frequency of the pendulum. Neglect any air resistance. 1.51 Hz
Find the period of the same pendulum on the moon's surface. The gravitational acceleration of the moon is 1.67 m/s2.
A police radar gun emits an electromagnetic wave at a frequency of fs = 1.08×1013 Hz. What is the speed of the oncoming car (v)
Please show steps: Hydraulic engineers in the United States often use, as a units of volume of water, What volume of water, in acre-feet, fell on the town
Iced tea is made by adding ice to 2.4 kg of hot tea, initially at 70?C. How many kg of ice, initially at 0?C, are required to bring the mixture to 10?C? (Lf = 3.33×105 J/kg, cw = 4,186 J/kg•? C)
The acceleration due to gravity on the surface of the moon is about g/ 6. If a pendulum has a period T on earth what will its period be on the moon?
A cat is stuck in a tree. You are designated with the job to get it out, yet you do not want to climb the tree, because you may get stuck as well. What force does the seat exert on you
A 200 ohms resistor has a current of 1.5A running through it and is connected in series with 300 ohms resistor. What is the emf of the battery
An object with a height of 4.0 cm is placed 30.0 cm from a lens. The resulting inverted image has a height of 1.5 cm. What is the focal length of the lens
A Volleyball is spiked so that it has an initial velocity of 15 m/s directed downward at an angle of 55 degrees below the horizontal. Find the horizontal component of the ball’s velocity when the opposing player fields the ball?
A 12.0 kg box on a horizontal surface is pushed with an initial speed of 1.6 m/s. It has a friction force of 20N how many seconds will it take for the box to come to a stop
Expalin by how much does the potential energy of a 18.0-kg child increase when the child climbs a normal staircase to the second floor?
A long, current-carrying solenoid with an air core has 1780 turns per meter of length and a radius of 0.0130 m. What is the mutual inductance of this system
A monatomic ideal gas expands on a linear process such that P=3V + P1 ( initial pressure.) P1 and V1 are the initial pressure and initial volume
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