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What is the Bragg scattering angle for electrons scattered from a nickel crystal if their energy is each of the following?
(a) 65 eV
(b) 104 eV
Consider two inertial reference frames. while an observer in each frame measures the following quantities, which measurement made by two observers must yield the same results.
A laser beam aimed from the earth is swept across the face of the moon. a. If the beam is rotated at an angular velocity of 1.55*10^-3 rad/s , what is the angle of divergence of the laser beam
A point charge +6.7 uC is placed at the origin, and a second charge -3.6 uC is placed in the X - Y plane at (0.40 m , 0.55 m ). Where should a third charge be placed in the plane
If the coefficient of kinetic friction between tires and dry pavement is 0.82, what is the shortest distance in which you can stop an automobile by locking the brakes when traveling at 26.6 m/s
a spring has an equilibrium length of 17 cm and a spring constant of 59.9 N/m. the spring is connected to the underside of the roof of a car and a 0.294 kg block suspended from it
Anelectron is accelerated from rest by a potential difference of350 V. It then enters a uniformmagnetic field of magnitude 200 mTwith its velocity perpendicular to the field. Calculate the radius of its path in the magnetic field
A certain dog whistle operates at 22.7 kHz, while another (brand X) operates at an unknown frequency. estimate the operating frequency of brand X
A 87g arrow is fired from a bow whose string exerts an average force of 130N on the arrow over a distance of 80cm. Illustrate what is the speed of the arrow as it leaves the bow?
A space probe journeys at a constant velocity from Earth to Tau Ceti (a distance of 10.9 y) in a time of 1.5 y as measured by the probe's internal clock
In a slap shot a hockey player accelerates the puck from a velocity of 5.00 m/s to 30.0 m/s in the same direction. calculate the distance over which the acceleration acts
Consider two identical 25-micro-coulomb point charges, each of 18 mg mass. Let them initially be at rest, 80 cm apart. How fast (in m/s) will each charge be moving when the charges are very far apart
100 MW of electrical power is delivered at 200 kV to adistribution center over a transmission line which consumers 10% ofthe total power developed by the generating station in heat losses. What is the value of the voltage fed to the transmissionlin..
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