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A simple harmonic oscillator takes 12 s to undergo 5 complete vibrations. Find (a) the period of its motion, (b) the frequency in hertz and (c) the angular frequency in radians per second.
An object of negligible mass has an instantaneous position of .6 AU from the sun, an instant. velocity of 25 km/s, a direction of motion of 30 degrees radially outward from the sun, and a semimajor axis of .38 AU. What is the orbital eccentricity?
A copper wire has a resistance of 29 ? at 19° C. An aluminum wire has three times the length and two times the radius of the copper wire. What is the resistance of the aluminum wire at 19° C
Consider an XY coordinate plane. Wire A is placed along the y-axis at x=0 and wire B is placed parallel to wire A at x= 0.240 m, Find the magnitude of the magnetic field at x=0.380 m
A wheel experiences a time dependant angular acceleration given by ?(t) = 3 + 0.333t^3. Derive an expression for the angular velocity as a function of time
An AC generator supplies 15 amps at 440V to a 50,000V power line through a step-up transformer. how much money would the energy supplier save per month if electricity costs $0.12/kWh by stepping up the voltage
A typical laboratory centrifuge rotates at 4000 rpm. Test tubes have to be placed into a centrifuge very carefully because of the very large accelerations. What is the acceleration at the end of a test tube that is 10 cm from the axis of rotation
A boat takes 3.30 hours to travel 40.0 km down a river, then 5.00 hours to return. How fast is the river flowing
There are 5 pairs of plates: A,B, and D are charged plastic plates and C is an electrically neutral copper plate. A is attracted to B, C to A, C to D, B to D, How can you tell if they attract or do not
A 82-kg sprinter accelerates from rest to a speed of 11.0 m/s in 4.5 s. at what average rate is he burning Calories
question1a cylindrical 3.52 kg pulley with a radius of 0.360 m is used to lower a 4.45 kg bucket into a well. the
At very low termperatures the molar specific heat of many solids is approximately Csubv=AT^3..For alymninum, A=3,15 times 10^-5. how do we know that this is constant volume
A sinusoidal wave travels along a stretched string. A particle on the string has a maximum velocity of 0.900m/s, What is the amplitude of the wave
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