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A copper rod has a length of 1.0 m and a cross-sectional area of 4.1 x10-4 m2. One end of the rod is in contact with boiling water and the other with a mixture of ice and water. What is the mass of ice per second that melts? Assume that no heat is lost through the side surface of the rod.
Find a Compact Disk. find a white light source and see if you can convince yourself that you are looking at the reflection of the light source as seen in the first order m = 1 maxima, estimate the spacing between the tracks of a CD
M1 is a spherical mass (43.0 kg) at the origin. M2 is also a spherical mass (17.2 kg) and is located on the x-axis at x = 99.0 m. At what value of x would a 16.5-kg mass experience no net gravitational force due to M1 and M2?
An elementary particle of mass M completely absorbs a photon, after which its mass is 1.01M. (a) What was the energy of the incoming photon (b) Why is that energy greater than 0.01Mc^2
Consider a Boeing 777-200 airplane of wing span 60.93 m cruising horizontally at Mach 0.785 (about 828 km/h) due north in a region where the earth's magnetic field is .98*10
q1. a 23 g ball is fired horizontally with initial speed toward a 110 g ball that is hanging motionless from a 1.1m
A mass of 1.61kg stretches a vertical spring 0.31m. If the spring is stretched an additional 0.132m and released, how long does it take to reach (new) equilibrium position again.
A series RLC circuit has R= 50, L= 2.7 H, and C= 52 nF. It is connected to an AC voltage source with an rms amplitude of 12 V, find the average power dissipated by the circuit
A person exerts 200 J of work onto a 50 N crate while moving it 2 m. If the crate also undergoes 10 N of friction, the net energy for the crate is what
A solid ball of mass .30kg and radius .053m is rolling without slipping along a horizontal surface with a linear speed of 2.3m/s. obtain is its total Kinetic energy
The 1400-turn coil in a dc motor has an area per turn of 1.1 multiply.gif 10-2 m2. What is the current in the coil
Find the maximum temperature in a Carnot cycle operating in a room-temperature (25?C) environment if its Carnot efficiency is 0.2
A small ball of mass 62 g is suspended from a string of length 37 cm and whirled in a circle lying in the horizontal plane. If the string makes an angle of 33? with the perpendicular, find the centripetal force experienced by the ball. The accelerati..
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