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Question: Suppose the sales of a product, in dollars, are given by S = 1000e-0.07x, where x is the number of days after the end of an advertising campaign.
(a) What are sales 2 days after the end of the campaign?
(b) How long will it be before sales are $300?
A laser emits 1.30x1018 photons per second in a beam oflight that has a diameter of 2.00mm and a wavelength of514.5nm. evaluate the average electric field strength
She decided that she would make regu-lar deposits on each future birthday, beginning with$1000 on her 22nd birthday and then increasing theamount by $200 in each following year (i.e., $1200on her 23rd birthday, $1400 on her 24th birthday, etc.).Wh..
Although the altitude may vary considerably, hailstones sometimes originate around 500m (about 1500ft) above the ground. Neglecting air drag, how fast will these hailstones bemoving when they reach the ground, assuming that they started fromrest? E..
A parallel-plate capacitor consists of plates of area 1.5 x 10-4 m2 and separated by 1.0 millimeter. The capacitor is connected to a 12 Volt battery. Determine what is the capacitance
A vertical speaker, which can be viewed as a 30.0-cm gap, is playing a 1.20-kHz tone from the center of the stage, 10.0 m away from the first row of the seats. A listener in the first row tries to avoid the loud sound with sitting off the center of t..
A 50 kg parachutist falls from a height of 2000 m to the ground. Her final speed is 4 m/s. what is the total work done on her
A 0.170-A current is charging a capacitor that has circular plates 15.0 cm in radius. The plate separation is 4.00 mm. What is the time rate of increase of electric field between the plates
Calculate the mask cost contribution to silicon area price if 0.25 μm CMOS with 25 photomasks at $3000 per mask plate is used and each mask set is used to fabricate 50/500/5000/50 000 wafers?
An ideal gas has its pressure cut in half slowly, while being kept in a container with rigid walls. How much work was done during this process
The velocity of a simple harmonic oscillator is given by: v = -9.55sin(21.8t) (mks units), What is its angular frequency? What is the amplitude of the motion in meters to two decimal places?
A vertical solid steel post 24.0cm in diameter and 2.50m long is required to support a load of 8100 kg. You may ignore the weight of the post. What is the strain in the post when the load is applied
A T-bar tow is used to pull 80 skiers up a 600-m long slope inclined at 15.0 degrees to the horizontal at a speed of 2.5m/s. Find the motor power required to run the T-bar
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