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A simple harmonic oscillator consists of a 100 g mass attached to a spring whose force constant is 104 dyne / cm. The mass is displaced 3 cm and released from rest.The oscillator is set into motion by giving it an initial velocity of 1 cm /s at its equilibrium position. Calculate
a- the maximum displacement
b- the maximum potential energy.
A transmission line that has a resistance of 0.5 ohm per km of length is used to transmit 200 MW across 300 miles. what should be the transmission voltage
18.53 Mars is 1.52 times farther away from the sun than the earthis and has a diameter.532 times that of the Earth. Estimate the tempreature on the surface of Mars
A projectile is launched at some speed at an angle of 74 degrees and travels a range of 262 meters. The launch angle is after that changed, but the projectile is fired at the same speed as the original case and also travels the same range of 272 m..
On a part-time job, you are asked to bring a cylindrical iron rod of density 7800 , length 91.1 and diameter 2.45 from a storage room to a machinist. Calculate the weight of the rod, . The acceleration due to gravity, = 9.81 .
A 30.0- goldfinch lands on a slender branch, where it oscillates up and down with simple harmonic motion of amplitude 3.50×10?2 and period 1.50. What is the maximum acceleration of the finch
A performer at the Cirque de Dartmouth is shot by a cannon elevated at 30 degrees from the horizontal. What was the highest point in his trajectory
A 50-g of ice cube at 0C is heated until 45g has become water at 100C and 5.0g has become steam at 100C. How much energy was needed to accomplish to transformation?
A negative charge -0.550 µC exerts an upward 0.600 N force on an unknown charge 0.210 m directly below it. What is the unknown charge (magnitude and sign)
Iron atoms have been detected in the sun's atmosphere, some with many of their electrons stripped away. What is the net electric charge (in coulombs) of an iron atom
Capacitors C1 = 5.60 µF and C2 = 2.45 µF are charged as a parallel combination across a 250 V battery, Calculate the resulting charge on each capacitor
The nucleus 60Co decays by the emission of an electron ( B 2). (Energetic gamma rays also accompany this decay and are used for the treatment of cancer.) What is the resulting nucleus
A ball of mass (m) 0.5 kg is attached to the end of a string having length (L) 0.5 m. The maximum possible value of angular velocity of ball is
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