Calculate the broadcast wavelength of the radio station
A radio station's channel, such as 100.7 FM or 92.3 FM, is actually its frequency in megahertz ({\rm MHz}), where 1\; {\rm MHz}=10^6\; {\rm Hz}. Calculate the broadcast wavelength of the radio station 92.30 FM.
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What is the probability that a hotel room costs between $200 and $300 per night (to 4 decimals)? What is the cost of the 20% most expensive hotel rooms in New York City? Round up to the next dollar.
A helicopter lifts a 72kg astronaut 15m vertically from the ocean (from rest) by means of a cable. The acceleration of the astronaut is g/8. a) How much work is done on the astronaut by the force from the helicopter. (cable)
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Find (a) total strain corresponding to yield strength, (b) what portion of the total strain in part 'a' is elastic and (c) what portion is plastic? (d) at a tensile stress of 42,000 psi the total tensile strain.
The breaking strength of a rivet has a mean value of 9,900 psi and a standard deviation of 498 psi. What is the probability that the sample mean breaking strength for a random sample of 40 rivets is between 9,800 and 10,100? (Round your answer to f
The vertical motion of mass A is defined by the relation x=10sin(2t)+15cos(2t)+100. Determine (a) the position, velocity, and acceleration of A when t=1 , (b) the maximum velocity and acceleration of A.
Use this information to determine the convection coefficient for heat transfer between the gas and the bead, assuming radiating surfaces are black.
Suppose we are interested in bidding on a piece of land and we know one other bidder is interested. The seller announced that the highest bid in excess of $10,100 will be accepted. Assume that the competitor's bid x is a random variable t
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