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Question 1- An illuminated test object is placed on an optical bench and a screen is placed 60 cm away. A converging lens is placed between the two, and a sharp image is formed on the screen when the lens is 20 cm away from the object.
Part A- What is the focal length of the lens?
Part B- Calculate the angular size in radians, and in degrees, of a dime at a distance of 5 meters.
You need help to illuminate the answer of the above question.
Calculate the magnitude of the angular momentum of the Mars due to its rotation around an axis through the north and south poles, modeling it as a uniform sphere.
questiona high-speed flywheel in a motor is spinning at 450 rpm when a power failure rapidly occurs. a flywheel has
A hypodermic needle consists of the plunger of circular cross-section that slides inside a hollow cylindrical syringe. When the plunger is pushed, the contents of syringe are forced through a hollow needle.
A 61.5-kg person, running horizontally with a velocity of +3.99 m/s, jumps onto a 16.2-kg sled that is initially at rest. Ignoring the effects of friction during the collision, find the velocity of the sled and person as they move away
a wave pulse traveling to the right along a thin cord reaches a discontinuity where the rope becomes thicker and
The water in a tank is at a gauge pressure of 283,685 Pa. what is the force on the bottom of the tank
The Moon moves noticeably on the celestial sphere over the space of a single night. To show this, calculate how long it takes the Moon to move through an angle equal to its own angular diameter (0.5 degrees) against the background of the stars. Gi..
If a personal pan pizza (6 inches in diameter) has 590 calories, determine how many calories would you consume if you were to eat a large size pizza (16 inches) by yourself
Two speakers, one directly behind the other, are each generating a 374-Hz sound wave. What is the smallest parting distance between the speakers that will generate destructive interference at a listener standing in front of them? Take the speed of so..
a 20 kg satellite has a circular orbit with a period of 2.7 h and a radius of 8.1 x 106 m around a planet of unknown
Compute the force of tension or compression
An 8.54kg block of ice at 0 %u2218C is sliding on a rough horizontal icehouse floor (also at 0 %u2218C) at 15.2m/s, What is the maximum amount of ice that will melt
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