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Determine the ratio of the sound intensity heard by observer A to that heard by observer B. For practical purpose, you might treat each and every observer as a point on the ground.
X rays diffract from a crystal in which the spacing among atomic planes is around 0.171 nanometers. The second-order diffraction takes place at 41.0 degrees. Evaluate the angle (in degrees) of the f
i) Evaluate the net force on the bottom of a swimming pool 19.5 by 6.0 whose uniform depth is around 1.6? ii) Evaluate the absolute pressure on the bottom of a swimming pool?
X rays having a wavelength of 0.19 nanometers experience first-order diffraction from a crystal at a 74 degree angle of incidence. Determine the angle (in degrees) of second-order diffraction?
Because their rims are coated with instant-acting glue, the pucks stick altogether and rotate after the collision. Determine the angular speed about the center of mass?
A cylindrical storage tank consists of a radius of 1.43 m. When filled to a height of around 3.46 m, it holds 15100 kg of a liquid industrial solvent. Determine the density of the solvent?
A mass moves backward and forward in simple harmonic motion having amplitude A and period T. (i) In terms of A, via what distance does the mass move in the time T?
Determine at what frequency does the driver of the car hear the ambulance's siren. The velocity of sound in air is around 343 m/s. Answer must be in units of Hz.
Microwaves travel at the speed of light, 3.00 x 108 m/s. If the frequency of microwaves is around 3.40 x 109 Hz, determine their wavelength?\
A plane electromagnetic wave traveling in the +ve direction of an x axis in vacuum consists of components Ex = Ey = 0 and Ez = (5.0 V/m) cos[(p × 1015 s-1)(t - x/c)]. (i) Determine the amplitu
An FM radio station broadcasts at the frequency of 97.3 MHz. The power radiated from the antenna is around 5.0 104 W. Determine how many photons per second does the antenna emit?
Determine the kinetic energy of the rotating system before and after he pulls the dumbbells inward.
A box of 215 N is positioned on an inclined plane which makes a 35.o degree angle with the horizontal. Determine the component of the weight force parallel to the surface of plane.
A boat is approaching the coastline at speed 0.5c. According to the captain, determine with what speed is the light from the beacon approaching her boat?
A solid disk is rolling devoid of slipping all along a horizontal surface having a speed of 4.50 m/s when it begins p a ramp which makes and angle of 25.0 degrees with the horizontal. Determine the
A solid disk is rolling devoid of slipping all along a horizontal surface with a speed of around 4.50 m/s when it begins a ramp which makes and angle of 25.0 degrees with the horizontal. Determine t
An electron moving via an electric field of around 500 N/C and a magnetic field of around .10 T undergoes no force. The two fields and the electrons direction of motion are jointly perpendicular. De
A ball of 43g is fired horizontally with the initial speed, Vo, toward a ball of 110 g which is hanging motionless from a string of 1.0 m long. The balls experience a head-on, perfectly elastic coll
Let, consider the Bohr model for the hydrogen atom. An electron is excited to from the ground state to the n = 5 orbit through a photon of light.
Let, consider a phototube having a cathode made of Sodium metal: i) Determine the longest wavelength which will generate photoelectrons when no voltage is applied to the phototube?
A car of 1200 kg is moving at 5 m/s east. It hits an 1800 kg car at rest. The cars encompass an elastic collision and move in the east or west direction. The velocity of the car of 1800 kg after the
i) Let, consider a neutron star whose mass is two times the mass of the Sun and whose radius is 10.1 km. When it rotates with a period of 2.51 s, determine the speed of a point on the Equator of th
Let consider a dielectric mirror to be employed in a He-Ne laser of 623 nm. This mirror is composed of alternating layers of MgF2 (n = 1.38) and TiO2 (n = 2.41). This material is to be coated on th
Standing on the surface of a small spherical moon having radius 5.13 x 104 m and whose mass is around 6.11 x 1018 kg, an astronaut throws a rock of mass 1.67 kg straight upward with the initial speed
The coil is held in the horizontal plane and the capacitor is discharged. Then the coil is rapidly rotated 180 degrees so that the side that had been facing up is now facing down. After that, evalua