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Light wavelenght 590nm fall on a double slit, and the first bright fringe of the interference pattern is seen at an agle of 13 from the central maximum. Find the separaton between the slits in micro metters.
A girl rides the escalator that moves foward at a constant speed. As the girl raises, how do her gravitational energy and kinetic energy change.
Find out the magnitude of the acceleration of the electron. How large is the pulling force it the wagon is moving with a constant speed.
A flat sheet of crown glass has a thickness of 2.3 cm. It is on top of a flat sheet of crystalline quartz that has a thickness of 3.6 cm. Light strikes the crown glass perpendicularly.
A catapult launches a test rocket vertically upward from a well, giving the rocket an initial speed of 81.0 m/s at ground level. What is its maximum altitude
A 70 turn coil of radius 4.6 cm rotates in a uniform magnetic field having a magnitude of 0.45 T. find the magnitude of the maximum torque exerted on the coil
A piccolo and a flute can be approximated as cylindrical tubes with both ends open. What is the ratio of the piccolo's length to the flute's length
The resonant frequency of a certain series RLC circuit is 3.80 kHz, What is the value of the resonant frequency when the capacitance of the circuit is 9.20 µF
An infinite non conducting sheet has a surface charge density σ = +5.80 pC/m2. (a) How much work is completed by electric field because of the sheet if a particle of charge q = +1.60 × 10-19 C is moved from the sheet to a point P at distance d = 3.56..
The captain of a boat wants to travel directly across a river that flows due east with a speed of 1.42 m/s. What direction (in degrees) should the captain steer the boat
Find the coefficient of kinetic friction between a 4.2 kg block and the horizontal surface on which it rests if an 92 N/m spring must be stretched by 1.8 cm to pull the block with constant speed
A typical flashlight battery will produce a 0.50-A current for about 3 h before losing its charge. Determine the total number of electrons
A wave on a Slinky has a frequency of 1.69 Hz. It takes 4.1 s to travel the length of the Slinky (0.29 m). What is the wavelength.
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