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You are now a supervisor in the bioengineering department of a major motorcycle helmet manufacturer. Your engineers are testing motorcycle helmets manufactured by a variety of your competitors. Motorcycle helmets contain an inner liner that crushes upon impact to decrease the deceleration of the head on impact. This liner material is very expensive and can be used only once (i.e., once the helmet sustains a single impact it must be replaced). Your company has developed an inexpensive liner that will withstand multiple impacts but is less effective on the initial impact than any of your competitors. The vice president for Sales is anxious to get this new helmet on the market and is threatening to fire you if you do not release it to the manufacturing division. What do you do?
a. Since your company has invested a lot of money in the development of this helmet, you should release it, and besides, if you don't, someone else will.
b. Recommend continued testing until your company's product is at least as good as the worst competitor's product.
c. Contact your company's legal department to warn them of a potential product liability problem and ask for their advice.
d. Go over the vice president's head and explain the problem to the company's president.
An Alternator is found to have its terminal voltage on load condition more than that on no load. What is the nature of the load connected
A part hollow non conducting sphere has a uniform volume charge density of 200 nC/m2. Find the potential difference between the inner surface at r=2cm and outer surface at r=5cm
A power amplifier has a gain of 15 dB and an input level of 2 volts. Assuming that the input and output impedances are the same, what is the voltage level at the amplifier output
A switch, a 220 resistor, and a 60 mH inductor are in series across a 20 V battery. - What is the current through the inductor two time constants after the switch is closed?
1.) Differentiate EN with respect to r, and then set the resulting expression equal to zero, because the curve of EN versus r is a minimum at E0. 2.) Solve for r in terms of A, B, and n, which yields r0, the equilibrium interionic spacing.
Suppose that a regular RS code is designed to operate with blocks whose individual symbols are four bits long (so b = 4).
The available circuit components are NMOS transistor, PMOS transistor, resistors, capacitors and inductors. Ideal sources can only be used to generate the supply voltage VDD & GND.
What is the de Broglie wavelength of an electron at150eV. what is the wavelength for electrons at 10keV, which istypical of electron microscopes. Comparing this to visiblel light,comment on the advantages of electron microscopes.
Silicon, originally intrinsic, is doped with 4*10^16 /cm^3 of arsenic atoms at room temperature. a) What proportion of the silicon atoms have been replaced by arsenic atoms b) What is the thermally generated density of electrons and holes
A composite analog signal is given in the following expression: x(t)=1.2 sin(2pi60ft)+0.0001cos(2pi1ft) -If this signal was sampled at 1000 Hz, derive the expression for the sampled sequence x[n] with n being the sampling index.
A series circuit has a 1k(ohm) resistance and a 1k(ohm) inductive reactance. v1= 1 vrms a. what is the impedance of the circuit in rectangular form b. the frequency is given as 1kHz, what is the inductance of the coil L= c.
The car lead-acid battery has generally 12 V output voltage, and its internal resistance is so small that can be neglected. When starting the engine, the current of 462 A is flowing from the battery to supply the "car starter"
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