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An earthquake generates three kinds of waves: surface waves (L waves), which are the slowest and weakest; shear (S) waves, which are transverse waves and carry most of the energy; and pressure (P) w
What is the least count of a measurement instrument, and how is it related to the number of significant figures of the readings of a instruments?
A protozoan swims with a speed of 3.92 mm/s. How much time (in s) would it take this protozoan to swim directly across a petri dish having a diameter of 7.75 cm?
If receiver has an available power gain of 110 dB and a noise bandwidth of 10 MHz, the available output noise power of receiver is??
Analog data having highest harmonic at 30 kHz generated by a sensor has been digitized using 6 level PCM. What will be the rate of digital signal generated?
Calculate the range of collector and emitter currents that can result. What is the maximum power dissipated in the transistor? (Note: Perhaps you can see why this is a bad way to establish the opera
Consider an npn transistor whose base-emitter drop is 0.76 V at a collector current of 10 mA. What current will it conduct at vBE = 0.70 V? What is its base-emitter voltage for ic=10microampere
A person traels by car from one city to another with different constant speeds between pairs of cities. She drives for 30.0 min at 80.0km/h,12.0 min at 100km/h ad 45.0 min at 40.0km/h and spends 15.
You are provided with an ideal op amp and three 10-kQ resistors. Using series and parallel resistor combinations, how many different inverting-amplifier circuit topologies are possible? What is the
If the 10-kQ resistors are said to be "5% resistors," having values somewhere in the range (1 ± 0.05) times the nominal value, what range of outputs would you expect to actually measure for a
What issues presented themselves as obstacles, and what were opportunities that advanced nanotechnology in manufacturing?
A particle is thrown upwards from the ground. It experiences constant air resistance which produces a retardation of 2 m/s^2. Find the ratio of time of ascent to time of descent.
H(z) is a discrete rational transfer function. To ensure that both H(z) and its inverse are stable its:
Monochromatic light of wavelength, lambda, is traveling in air. The light then strikes a thin film having an index of refraction, n1 that is coating a material having an index of refraction n2. I
How long does it take light to travel through a 6.73 mm thick piece of window glass? Through what thickness of water could light travel in the same amount of time.
A 3.5 cm tall object is 15cm in front of a diverging lens that has -27 cm focal length. Calculate the image position and the image height.
A ray of one color for which n= 1.53 and a Ray of another color, for which n= 1.58 travel through a piece of glass. They meet right at the boundary between the glass and the air and emerge into the
How fast do you need to hit a block that is resting on a surface with 1N friction force with a 0.5kg hammer in order to get it to move? Assume that the impact lasts 0.1 sec.
A 1.48 cm diameter solenoid passes through the center of a 5.95 cm diameter loop. The magnetic field inside the solenoid is 0.34T. What is the magnetic flux through the loop when it's perpendicular
A scalloped hammer head shark swims at a steady speed of 1.45 m/s with its 71 cm wide head perpendicular to the earths micoT magnetic field . What is the magnitude of the emf induced between the tw
A 11 cm long metal rod pulled along two frictionless, conducting rails at a constant speed of 1.7 m/s. the rails have negligible resistance , but the rod has a resistance of 0.91 ohm B= 1.3 T what