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A series RLC circuit with R= 45Ohm , L = 270 mH , and C = 4.0 mircoF is connected across a sine-wave generator whose peak output voltage is independent of frequency.
a) Find the minimum frequency of the frequency range over which the peak current will exceed half its value at resonance.
b) Find the maximum frequency of the frequency range over which the peak current will exceed half its value at resonance.
A fan blade rotates with angular velocity given by Wz(t)=r-B t^2 For the next two parts assume that the constants and are defined as follows: r= 5.25 rad/s B= 0.835 rad/s^3 -------------------------- A)Calculate the instantaneous angular acceleration..
A heat engine operates in a Carnot cycle between 83.0°C and 353°C. It absorbs 21004 J of energy per cycle from the hot reservoir. What is the mechanical power output of this engine
The volume of a sample of gas measured at 25C and 1.00 atm pressure is 10.0 L. What must the final temperature be in order for the gas to have a volume of 7.5 L at 1.00 atm pressure
A bowler throws a bowling ball of radius R = 11 cm along a lane. The ball (the figure) slides on the lane with initial speed vcom,0 = 7.9 m/s and initial angular speed ?0 = 0. The coefficient of kinetic friction between the ball and the lane is 0...
Determine the risk level of the company from your investor's pointof view. Indicate key strategies that you may use in order to minimize these perceived risks.
All of the following statements describe 64g of gaseous sulfur dioxide at 0C and 76 cm Hg pressure except. a. 22.4L of gas
A series RLC circuit has R=18kohm, C=14microF and L=0.2H. What is the value of the impedance at this frequency
A 325 kg crate is lowered to the ground by a helicopter. Its fastened to the end of the vertical cable which has a tension of 3500N. Is the crate speeding up, slowing down, or descending at a constant speed? Show your work
A particular engine has a power output of 6.00 kW and an efficiency of 22.0%. Assume the engine expels 6500 J of energy in each cycle. Find the time required to complete each cycle
how many moles of liquid unknown will be present in a 2 m solution? Also, assuming that the molar mass of the liquid unknown is about 50g/mol, calculate the approximate mass of liquid unknown that should be added to your water-ice mixture.
a horizontal circular platform rotates counterclockwise about its axis at the rate of 0.805 rad/s. You, with a mass of 67.3 kg, Calculate the total angular momentum of the system
A satellite has a mass of 99 kg and is located at 2.01 106 m above the surface of Earth. obtain the magnitude of the gravitational force on the satellite
An airplane flies eastward and accelerates uniformly. At one position along its path it has a velocity of 26.5 m/s. find the airplane\'s acceleration
When a potential difference of 221 V is applied to two plates of a parallel-plate capacitor, the inner surface of the positive plate carries a surface charge density of 40 nC/cm2. What is the spacing between the plates
When on the ground, Ian's weight is measured to be 692 N. When Ian is on an elevator, his apparent weight is 796 N. What is the net force on the system
A beam of sunlight encounters a plate of crown glass at a 52.70° angle of incidence. Find the angle between the violet ray and the red ray in the glass
A 475 kg concrete beam should be raised by a 10.0 m from the ground. How much power is needed to do the job in 24 s
A woman walks 300m in the direction 30° east of north, then 300 m directly east.
Two blocks, each of mass m = 1.4 kg, are pushed along the horizontal surface of a table by a horizontal force P of magnitude 4.7 N, Find the frictional force acting on the upper block
a block of mass m=0.2kg , in simple harmonic motion, has an amplitude of 3.5cm and a maximum speed of 70 cm/s. What is the angular frequency for the oscillation in rad/s?
The spring is aligned with the plane and has a spring constant of 133 N/m. Explain how much does the spring stretch?
A neutron star is an extremely dense, rapidly spinning object that results from the collapse of a star at the end of its life. What is its rotational inertia
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