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Ultrasonic acoustic waves are diffracted by a pair of parallel slits 100mm apart. The zeros in the diffraction pattern are spaced at angular intervals of 8.3 degrees. Calculate the wavelength.
Consider a swinging pendulum with length l= 10 cm, a mass of 1 gm swinging at the end of it with an amplitude, Calculate the total energy ( potential plus kinetic) in ergs of the swinging pendulum
A viewing window in the Atlanta aquarium is 55 inches wide and 46 inches high. what is the outward force on the window
Two point charges of +20.0 ?C and -8.00 ?C are separated by a distance of 20.0 cm. What is the intensity of electric field E midway between these two charges
The nucleus of platinum is a uniformly charged sphere with a chargeof 78e and a radius of 7.00 x 10^-15 What is the electric potential energy of an incident proton arriving at the nuclear surface
A thin spherical shell has a radius of 1.70 m. An applied torque of 920 N m imparts to the shell an angular acceleration equal to 6.70 rad/s2 about an axis through the center of the shell. What is the rotational inertia of the shell
A disk released from the top of an inclined plane has a speed of 6.32 m/s at the bottom. How high is the upper end of the inclined plane
a partice moves along the path y=-0.090x^6(-7)meters with a constant speed of 4 m/s. assume dx/dt>_0. Determine the cartisian components of velocity and acceleration at x= - 2m
Three point charges, -5.2 x 10-9 C, -8.1 x 10-9 C, and +7.7 x 10-9 C, are fixed at different positions on a circle. The total electric potential at the center of the circle is -2300 V
An oscilloscope shows a steady sinusoidal signal of 5 Volt peak to peak, which spans 5 cm in vertical direction on the screen. What will be observed on the oscilloscope screen
find the coefficient of kinetic friction between the crates and the table.
Consider a very high energy cosmic ray photon, with energy 109mp = 1018 eV as measured in Sun's rest frame, scattering off a cosmic microwave background photon with energy 2 x 10-4 eV . Establish the maximum energy of the scattered photon.
A 6.00 V storage battery is connected to three resistors, 7.00 ?, 15.0 ?, and 20.0 ?, respec- tively. The resistors are joined in series. What is the current in the circuit
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