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An electron microscope produces electrons with a 2.05 pm wavelength. If these are passed through a 1.05 nm single slit, at what angle will the first diffraction minimum be found?
a heater coil connected to a 240 v ac line has a resistance of 58 .a what is the average power used?b what is the
A phone cord is 5.1 m long. The cord has a mass of 0.165 kg. A transverse wave pulse is produced by plucking one end of the taut cord. What is the tension in the cord
The image of a tree on a 35 mm color slide is 1.7 mm high. It is to be projected onto a screen 8.0 m from the slide, and is to appear 559 mm high. What is the magnification of the system
A student is skateboarding down a ramp that is 6.0m long andinclined at 18 degrees with respect to the horizontal. find the speed at the bottom of the ramp
A playground is on the flat roof of a city school,6.00m above the street below. The vertical wall of the building is7.00m high, Find the speed at which the ball was launched
Determine the force (in N) of the car on truck all through the impact. Call this force positive if it points to the east, and negative if it points to the west.
Two point charges are on the y-axis. A 2.5 µC charge is located at y = 1.45 cm, and a -2.30 µC charge is located at y = -1.20 cm. Discover the total electric potential at the origin.
A small car (m1) is pushing a larger truck (m2) thathas a dead battery. What is the magnitude of the force of the car on the truck
In the Bohr model of the hydrogen atom, an electron in the 1st excited state moves at a speed of 2.19 *10^6 m/s in a circular path having a radius of 5.29*10^-11 m
A 20.0 kilogram toboggans with 58.8 kilogram driver is sliding down a frictionless chute directed 27.4 degree below the horizontal at 8.40 m/s, find the subsequent velocity of the toboggan immediately after impact
A white billiard ball with mass mw = 1.57 kg is moving directly to the right with a speed of v = 3.42 m/s, What is the final speed of the black ball
A wire has a diameter of 0.200mm and stretches 20% when a force of 6.28 Newtons is applied to it. What is the elastic (Young's) modulus of this wire
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