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.)
Expected delivery within 24 Hours
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
1940476
Questions Asked
3,689
Active Tutors
1420813
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
Which typically considered abnormal assessment findings are actually normal findings during the third trimester of pregancny?
Question: Which of the following is a filler drug that is used to plump the skin and minimize wrinkles ________?
A 67-year-old man is diagnosed with alcohol use disorder. Past medical history includes hypertension, seasonal allergies, and end stage renal disease.
Assignment task: Extreme Claim: Marijuana should not be legalized for medical purposes.
Why might it be more difficult for younger widows to adjust to a spouse's loss? Why might it be more difficult for older widows to make the adjustment?
Which federal act mandates that healthcare facilities provide written information to patients about their rights to make medical decisions
List five of the Coagulation Regulatory Proteins that either help to keep clotting from getting out of hand, or keep fibrinolysis from getting out of control