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A mass m slides in the bottom of a hemispherical bowl of radius R under the influence of gravity. Find the equation of motion and the period of small oscillations. Extra credit : Find the constraint force.
A plane wave of wavelength 580 nm is incident on a slit with a width of a = 0.50 mm. A thin converging lens of focal length +80 cm is placed between the slit, How far is the screen from the lens
26g of copper pellets are removed from a 300 C oven and immediately dropped into 110mL of water at 25 C in an insulated cup
One mole of a monatomic gass initially at 273 K and 1 atm is compressed isothermally (T constant) from volume 22.4 L to 11. 4 L, Find the final pressure and draw a PV diagram, Labeling the initial and final states 1 and 2
A skateboarder shoots off a ramp with a velocity of 6.4 m/s, directed at an angle of 55° above horizontal.
A beam of electrons is incident on two slits separated by a distance of 2.0×10-6 m. Calculate the kinetic energy of the electrons
An electron is released from rest at the negative plate of a parallel plate capacitor. The charge per unit area on each plate is ? = 1.81 10-7 C/m2, and the plates are separated by a distance of 1.38 10-2 m. How fast is the electron moving just be..
What is the potential difference across capacitor. How much charge is on each place.
A board is 6 meters long. The center of mass is in the 2 meters from the left end. The board has a weight of 320 Newton's. How much force in Newtons is necessary to lift the right end while the other end stays on the ground.
A 240 kV power transmission line carrying 500 A is hung from grounded metal towers by ceramic insulators, each having a 1.20, Calculate the power dissipated by 100 of them.
Find out (a) the coefficient of kinetic friction between m2 and the incline, (b) the acceleration of each mass, and (C) the tension in the string.
The bullet first passes through the left disk and then through the right disk. It is found that the angular displacement between the two bullet holes is θ = 0.320 rad. From these data, evaluate the speed of the bullet.
A certain EM wave has a wavelength of 4 X 10 ^-7 m and a speed of 2.5 X10^8 m/s in a partcular material ( not a vacuum). what is the wavelength of this wave in a vacuum
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