Compound microscope that uses an objective lens
Calculate the overall magnification of a compound microscope that uses an objective lens with a focal length of 0.50 cm, an eyepiece with a focal length of 2.50 cm, and a distance of 18 cm between the two. (Assume a near point of 25 cm.)
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Two meshing helical gears have a 25 degree transverse pressure angle and a 20 degree normal pressure angle. The gears have a diametral pitch of 10 and possess 15 and 45 teeth, respectively. Determine the center distance and helix angle.
Determine (a) the exergetic effectiveness and (b) the exergy destroyed. The surrounds can be taken to be To= 20°C, Po = 100 kPa.
A heat pump is used to maintain a house at 22 C by extracting hear from the outside air on a day when the outside air temperature is 2 C. The house is estimated to lose heat at a rate of 110,000 kJ/h, and the hear pump consumes 5kW of electric pow
Use normal approximation to estimate the probability of getting exactly 47 girls in 100 births. Assume that boys and girls are equally likely.
A 4 lb block with an initial velocity of 5 ft/s is sliding down a 30 degree slope before being slowed by a spring. What is the velocity of the block when the spring has been compressed 1 ft?
The central maximum of a single-slit diffraction pattern has a width of 2.00 cm when measured on an observing screen 1.00 m away. If the illumination wavelength is 632.8nm what is the slit width?
An airline company is considering a new policy of booking as many as 281 persons on an airplane that can seat only 270. Past studies have revealed that only 88% of the booked passengers actually arrive for the flight. Estimate the probability that
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Question: Do you know of any organisms that have a connection to bowel cancer?
Review the most recent U.S. Census and the 2010 Census and write a post in which you address the following: State 1-2 examples of how the Latina/o/x population
Hey Francoise, I really liked how you connected the PaCO2 to hypoventilation and then went on to explain why our kidneys start to keep the bicarbonate.
Respond to this post Cranial Nerve VIII is known as the Vestibulocochlear nerve due to the fact that it is formed via convergence of the cochlear nerve
What complications might arise from this type of DNA manipulation? Think about potential medical, genetic, or societal consequences.
Evolution says that all biological creatures are a product of changes that occur to a species over time. The traits that adhere are those with the best chance
Problem: Designer Babies. Watch the videos below and answer the following questions about designer babies: Is this a good thing to do?