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Where are the two images of the object made by the spherical mirror which are closest to the spherical mirror?
A 1.80 km long cylindrical copper cable is joined across a 220.0v- potential difference. What must be the diameter so that it generates heat at a rate of 60.0w?
What effect do the given forces have on a point: 100N,30 degrees E of N; 200N, 80 degrees S of E; 150 N, 45 degrees S of W; 175 N, 25 degrees W of N; 50 N due of North.
A copper wire having diameter 1.45mm (No. 15AWG) is to be substitute with an aluminum wire having the same length and resistance. What diameter of the aluminum wire would be needed? (PAl = 2.8 X 10
You are standing perfectly still and then you take a step ahead. Prior to the step your momentum was zero, however afterward you encompass some momentum. Is the principle of conservation of momentum
Determine the peak emf being produced is 6.0V, determine the linear speed of the bike?
Use energy techniques to determine the speed of the system after the hanging body have descended 3.0 m once; the system has been free from rest.
The volume of nitrogen gas consists of a density of 1.01 kg/m3 and a pressure of 1.10 atm. Determine the temperature of the gas and the rms speed of the molecules.
A car in the amusement park ride rolls devoid of friction around a track constructed as a vertical circle of radius r. the starting of the track is a descending smooth curve which joins to the verti
When the mass of the rotor is 4.70 kg and it can be approximated as a solid cylinder of radius 0.0780 m, through how many revolutions will the rotor turn prior to coming to rest?
The magnetic field close to the surface of a neutron star consists of a magnitude of 1.00 x 108 T. Determine the acceleration of an electron close to the star moving at 1.11 x 107 m/s when both v and
Determine the recoil velocity which does she acquire in response to a single shot from a stationary position, supposing that no external force keeps her in place?
Treating the siren as a point source of sound, and avoiding reflections and absorption: i) Determine the sound intensity level heard by the observer at a distance of 12 m.
Must she try to stop, or must she speed up to cross the intersection before the light turns red? The intersection is 15 wide. Her car's highest deceleration is -5.8, while it can accelerate from 45
A long rigid beam of 3.0 m having a mass of 130 kg is supported at each end. An 85 kg student stands 2.0 m from support 1. Determine how much upward force does each support apply on the beam?
Determine the average force which did the pavement apply on the orange throughout the collision?
A Michelson interferometer is employed to find out the wavelength of a monochromatic light source. When 100 fringes are counted as one of the mirrors is scanned the distance of 31.7 micro meters, de
A beam of neutrons having a de Broglie wavelength of 0.250nm diffracts from the crystal of table salt, which consists of an inter-ionic spacing of 0.282nm. i) Determine the speed of the neutrons?
The isolated conducting sphere consists of a 8 cm radius. One wire carries a current of 1.000 002 0 A into it. The other wire carries a current of 1.000 000 0 A out of it. Determine how long would i
A narrow laser-beam impinges on the smooth top of a sheet of plexi-glass that is surrounded by air. The beam forms an angle of 30.0 degrees with respect to the surface. (i) A part of the light is re
A piano tuner employs beats between the note and a tuning fork to tune the piano key. His tuning fork oscillates at 256 Hz and he hears 3 beats per second. Determine the frequency of the piano note?
A crate of 8.5 kg is pulled 5.1 m up a 30 degree incline by the rope angled 17 degrees above the incline. The tension in the rope is around 140 N and the coefficient of kinetic friction on crate's
In a double-slit experiment having red light (633nm) employing slits with 0.12 mm separation, determine the fringe spacing on a screen which is 3.5 m from the slits?
For a reflection-interference microscope, determine the minimum cell thickness which outcomes in maximum contrast among adhesion sites and the cell region when illuminated with blue light (480 nm)?
A soap film having index of refraction 1.33 is surrounded by air and illuminated by the white light. When the film is 265 nm thick, which wavelength in the range 400 to 750 nm will interfere constru