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Assuming the earth is a sphere with a radius of 6.38 x 106 m, determine the speed and centripetal acceleration of a person situated (a) at the equator and (b) at a latitude of 75.0 ° north
Find (a) the smallest and (b) the largest speed at which cars can move on this track without relying on friction.
Standing waves are formed by the superposition of the wave Y(x,t) = 5sin(20pi(t)+35x) and its reflection. write down the expression for the standing waves.
A charge of -1.4 µC is fixed in place. From a horizontal distance of 0.0225 m, a particle of mass 7.75 10-3 kg and charge -1.3 µC is fired with an initial speed of 75.0 m/s directly towa
Approximately what viewing distance from a wing puts you at the limit of resolving the different colored patches according to Rayleigh's criterion? Use 500 nm as the wavelength of light and 4.0 mm a
Piano tuners tune pianos by listening to the beats between the harmonics of two different strings. When properly tuned, the note A should have a frequency of 440 Hz and the note E should be at 659
How fast is each particle moving when the separation between them is one-half its initial value?
This situation is like that of a car on a curve that is banked at an angle of 23°. If she tries to make the turn without slowing down, what is the minimum distance from the seawall that she can
(a) Determine the number of modes in the laser cavity that are within the laser transition linewidth. (b) A power meter is then placed at the cavity output coupler for 1 minute. The reading is const
At one instant the outer wall moves at a speed of 3.39 m/s, and an 75.4-kg person feels a 566-N force pressing against his back. What is the radius of a chamber?
One of the angles is so large that it is never used in target shooting. Horizontal distance is 91.4M. Find the larger angle and the smaller angle.
Describe the pattern observed from diffraction around a straight edge, for the straight edge/opaque disks. Why do you think this pattern is diffraction and not interference?
The piece is then turned around so that its convex side faces the object. The piece is moved so that the image is now 35 cm from the piece on the concave side.
A point-like source of monochromatic light radiates light of 700 nm. The source's power is 1 kilowatt. a) What is the irradiance due to this source on a screen, oriented with its surface normal to t
A power meter is then placed at the cavity output coupler for 1 minute. The reading is constant at 1mW. Determine the average number of photons per cavity mode.
A laser of wavelength 1030nm has an initial beam diameter of 1.5 mm, and the divergence half-angle of the conical beam is 1:6. Determine the spatial coherence length of the beam.
Determine the limits of the depth of field in the photograph, i.e. calculate the range of object distances which appear in focus?
If this ice were to fall into the sea due to melting because of global warming, estimate the resulting sea level rise if the oceans cover 71% of the surface of the ocean. Assume the radius of the Ea
The plane arrives in 2.00 h. What were the (a) magnitude (in km/h) and (b) direction of the wind velocity? Give the direction as an angle relative to due west, where north of west is a positive angl
An Other Frame moves with a speed of 0.85 relative to the Home Frame. An object at rest in the Home Frame has a length of 30 ns. What is the object's length in the Other Frame?
Consider the electric circuit shown here, consisting of a 12.0-V battery and three capacitors connected partly in series and partly in parallel. Find (a) the equivalent capacitance of this circuit a
A small plastic sphere with a charge of -7.0 nC is near another small plastic sphere with a charge of -12 nC. If the spheres repel one another with a force of magnitude 8.7×10-4N , what is the
A series LR circuit includes a 9.0. V battery, a resistance of 0.500 ?, and an inductance of 0.800 H. What is the greatest energy stored by the inductor after the switch is closed?
Lenz's Law is said to be a consequence of the principle of conservation of energy. Explain this statement by describing what would happen if Lenz's Law were reversed.