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a) Discover the maximum net charge that can be placed on a spherical conductor of radius 24 cm before dielectric breakdown of the air occurs.
b) What is the potential of the sphere when it carries this maximum charge?
a list the three main classes of meteorite and describe how they can be distinguished on the basis of their principal
A tensile specimen has a 10mm minimum diameter and a 50mm guage lenght. The stress and strain follow a linear behaivour before the applied load reaches 8 x 10^4 N, what is the young modulus for this material
A 7.5 F capacitor is charged to 34 V and is then connected across a 11-mH inductor. (a) How much energy is stored in the system? (b) What is the frequency of oscillation of the circuit? (c) What is the maximum current in the circuit?
A 10-cm-diameter cylinder of helium gas is 20 cm long and at 20°C. The pressure gauge reads 120 psi. how many helium atoms are in the cylinder? what is the mass of the helium?
A hockey puck is hit on a frozen lake and starts moving with a speed of 12.0 m/s. Five seconds later,its speed is 5.40 m/s. What is its average acceleration?
A string of length 10.0m has a linear mass density of 25g/m. What is the speed of the pulse as it approaches the top of the string
The volume flow rate in an artery supplying the brain is 4.00 10-6 m3/s. If the radius of the artery is 4.80 10-3 m, determine the average blood speed
A ceiling fan consists of a small cylindrical disk with 5 thin rods coming from the center. The disk has mass md = 3.4 kg and radius R = 0.26 m. The rods each have mass mr = 1.3 kg and length L = 0.72 m.
a 2.20 kg stone thrown upward from the ground at 10.0ms returns to the ground in 8.00 the circumference of mongo at the
A wrecking ball is hanging at rest from a crane when suddenly the cable breaks. Find the time it takes for the ball to fall from rest all the way to the ground
Consider two identical particles of spin 1/2 that are confined in a cubical box of side L. Find the energy and wave function of this system
only two horizontal forces act on a 3.0 kg body that can move over a frictionless floor. one force is 9.0 n due east
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