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a) Calculate the electrons de brogile wavelength when its kinetic energy is 25eV.
b) If you require the wavelength of electron-beam for an electron microscope which is 10 times shorter than that in the part (a) what should be the energy of electrom beam? How can such energy be inparted to electrons beam?
c) Does it require use of relativistic fromulas? Explain toure reasoning.
If a car travelling at 63 km/h will skid 18 m when its brakes lock, how far will it skid if it is travelling at 150 km/h while its brakes lock.
a block of mass 0.68 kg is suspended by a string which is wrapped so that it is at a radius of 0.064 m from the center
A uniform chain of total mass m is laid out straight on a frictionless table and held stationary so that one-quarter of its length, L = 2.85 m, Determine the speed of the chain
Unpolarized light is incident on three polarizers: The first making an angle of 0 degrees with the vertical; If the initial intensity is 1353 W/m2 and the final intensity is 108 W/m2, to the nearest tenth of a degree what is the angle of the middle ..
High-speed photos of a 220 microg flea jumping vertically indicate that the jump lasts 1.2 ms, What is the flea's change in momentum during its jump
A 59 g ball attached to a spring with spring constant 2.9 N/m oscillates horizontally on a frictionless table. Its velocity is 15.4 cm/s when x=-4.79 cm. What is the ball's maximum acceleration
The blackbody radiation emitted from a furnace peaks at a wavelength of 3.0 10-6 m (0.0000030 m). What is the temperature inside the furnace
The moon is 3.85Ã-10^8 m from Earth, and it takes 27.3 days to orbit Earth. At what speed is the moon traveling relative to Earth
A man on a 50 m high cliff throws a rock vertically. The rock falls back down past theedge of the cliff and hits the ground 5 s after it was thrown. What was the velocity with which the rock was thrown
question1a rifle is expected horizontally at a target 28m away. the bullet hits the target 2.7 cm below the aiming
An 18.0g arrow is fired into a 3.00kg pumpkin suspended on a string. Calculate the velocity of the arrow just before it enters the pumpkin
A projectile is fired at 34.9° above the horizontal. Any effects due to air resistance are negligible. Calculate the horizontal component of the initial velocity
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