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Two particles are fixed to an x axis: particle 1 of charge-5.81 x 10-7 C is at the origin and particle 2 of charge+5.81 x 10-7 C is at x = 22.2 cm. Midway between the particles, what is the magnitude of the net electricfield?
The figure shows three blocks attached by cords that loop over frictionless pulleys. Block B lies on a frictionless table; what is the tension in the cord at the right
q1. a 80-g ball collides elastically with a 350-g ball that is at rest. if the 80-g ball was travelling in the positive
q1. a 1.00-kg teflon disk is slid down a 5.00-m steel plate that is mounted at a 30 degree angle with respect to
The coefficient of friction between a block of mass m1= 3Kg and the surface is mu=.4. The system starts from rest. What is the speed of the ball of mass m2=5Kg when it has fallen a distance of h=1.5m?
Calculate the Coulomb potential energy of a sphere with radius R0, uniformly charged throughout its volume with the charge Ze. Hint: calculate the total energy associated with progressive addition of thin, charged spherical shells that constitute the..
At time t=0 a grinding wheel has an angular velocity of 28.0 rad/sec. It has the constant angular acceleration of 35.0 rad/sec^2 until a circuit breaker trips at time t=1.80. From then on, the wheel turns through an angle of 433 as it coasts to the s..
Two starships, the Enterprise and the Constitution, are approaching each other head-on from a great distance. what wavelength was emitted by the Enterprise
The Hamiltonian of a system of two (spin-1/2) electrons H= ?1?z1+?2?z2 where ?z is the Pauli Matrix, ? is an energy parameter and our subscripts represent the two electrons 1 and 2. What is the basis where this Hamiltonian is diagonal?
A container with a one-liter capacity at 27 degrees C is filled with helium to a pressure of 2 atm. (1 atm = 1.0x10^5 N/m^2.) How many moles of helium does it hold
A fisherman notices that his boat is moving up and down periodically, If the total vertical distance traveled by the boat were 0.450 m, but the other data remained the same, how fast are the waves traveling
A charge q = +929 ?C is uniformly distributed on a thin nonconducting ring of mass m = 0.60 g and radius r = 2.60 cm. What is the final angular velocity of the ring
If the speed of sound is 1100 feet per second and a tuning fork oscillates at 440 cycles per second, what is the wavelength of sound produced.
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