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Find through what potential difference (Delta V) must electrons be accelerated ((From rest) so that they will have the same wavelength as an X ray of wavelength 0.160 nm?
Use 6.63 x 10-34 for planks constant, 9.11 x 10-31 kilogram for the mass of an electron, and 1.6 x 10-19 for the change on electrons.
An 8.0 m, 100 N uniform ladder rests against a smooth wall. The coefficient of static friction between the ladder and the ground is 0.40, what is the minimum angle that ladder can make with the floor before it slips.
Several bacteria are propelled by motors that spin hair-like flagella. A characteristic bacterial motor turning at a constant angular velocity has a radius of 1.9x10 -8 m, and a tangential speed at the rim of 2.9x10 -5 m/s. (
A 1026 kg car and a 2210 kg pickup truck approach a curve on the expressway that has a raduis of 264 m. find the normal force on the truck to the highway surface
The distortion of the earth's crust is example of shear stress on large scale. Find what is the shear stress involved when 11.0 kilometer of this rock is sheared through a distance of 3.5 meter
A 7.75- g bullet from a 9-mm pistol has a velocity of 397.0 m/s. It strikes the 0.785- kg block of a ballistic pendulum and passes completely through the block. If the block rises through a distance h = 10.15 cm
two waves traveling in opposite directions along a string fixed at both ends create a standing wave described by yx t
A thin-walled hollow sphere with a mass of 22 kg is rolling without slipping. Its translational speed is 1.6 m/s. Determine the total kinetic energy of the rolling sphere
a ball is thrown straight down from the top of a cliff with a speed of 5 ms. the cliff-top is 20 m above ground level.
data a chain discrete catenary has n links mass and length of each link is known. one end of the catenary is fixed to
A model rocket engine has an average thrust of 5.26 N. It has an initial mass of 25.9 g, which includes fuel mass of 13.4 g. What is the average exhaust speed of the engine
a battery of emf 10 v and internal resistance 3nbspomega is connected to a resistor. if the current in the circuit is
A plane polarized EM wave propagates through a polymer. Such waves obey a similar wave equation to that found for free space. The wave has a magnetic field vector, B=[(-1.2 i) x sin(ky wt)] microT (micro telsa) , with frequency f=7.61×10^(14) Hz and ..
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