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x rays with a wavelength of .12nm undergo first-order diffraction from a crystal at 80 degree angle of incidence. what is the angle of second-order diffraction?
The only force acting on a 2.7 kg canister that is moving in an xy plane has a magnitude of 2.7 N. The canister initially has a velocity of 3.0 m/s in the positive x direction, and some time later has a velocity of 7.4 m/s in the positive y direct..
A 8.97-cm-long thin glass rod is uniformly charged to +40.5 nC. A small glass bead, charged to +5.3 nC, is 4.92 cm from the center of the rod, What is the force (magnitude) on the bead
A series RCL circuit contains a 4.99-µF capacitor and a generator whose voltage is 11.6 V. At a resonant frequency of 1.20 kHz the power delivered to the circuit is 24.1 W. Find the value of the inductance
A metal sphere with radius r_a is supported on an insulating stand at the center of a hollow, metal spherical shell with radius r_b. There is charge + q on the inner sphere and charge - q on the outer spherical shell. Take potential V to be zero w..
A 64-kg man standing on a scale in an elevator notes that the elevator rises, the scale reads 827 N. What is the acceleration of the elevator
A cockroach of mass m lies on the rim of a uniform disk of mass 7.00 m that can rotate freely about its center like the merry-go-round. At first the cockroach and disk rotate together with an angular velocity of 0.220 rad/s. Then the cockroach walks ..
A block of mass m = 4.2 kg, moving on a frictionless surface with a Vi=2.9m/s speed makes a perfectly elastic collision with a block of mass M at rest. After the collision, the 4.2 block recoils with a speed of 0.9m/s. The mass M is closest to.
In extremely cold weather conditions where the inside thermostat is set to 27 C and the outside temperature is -20 C, How much energy might you lose in one week
A rock of mass 0.210 kg falls from rest from a height of 20.8 m into a pail containing 0.429 kg of water. determine the rise in temperature of the rock
A boy scout ‘s girl scout girlfriend to test his scouting abilities has hidden her girl scout cookies somewhere in the forest and has given him the directions to retrieve them, How far away are the cookies
You are designing a pendulum clock whose period can be adjusted by ±10% by changing the length of the pendulum. Determine the range of change of length which provide this flexibility in the period
A support strap is attached to the patient's ankle 13.0 from the bottom of his foot. Illustrate what weight is needed to support the leg horizontally?
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