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A converging lens of focal length 15 cm forms an image of an object placed (a) 30 cm, (b) 15 cm, (c) 5 cm from the lens. Find the image distance and magnification for each AND describe the image (real or virtual, upright or inverted, relative size) with reference to the six cases of a converging lens.
A student of weight 665 N rides a steadily rotating Ferris wheel (the student sits upright). At the highest point, the magnitude of the normal force N on the student from seat is 566 N.
2 asteroids are traveling close to each other through thesolar system at a distance of 2.0x10 to the positive 10 rom earth. How far apart are the astroids
Assume the following parameters: projectile speed = 20 m/s, air resistance, drag coefficient = 0.5, What is the maximum range of the projectile along the horizontal in the simulation in m
A solid cylinder rolls down an incline plane without slipping. If the center of mass of the cylinder has a linear acceleration of 2.67 m/s2
how does the electrostatic potential energy of a system of two positive point charges change when the distance between
a diver springs upward from a board that is three meters above the water. at the instant she contacts the water her
A microscope with an eyepiece lens of focal length 1.90 cm and an objective lens of focal length 1.15 cm is used to examine a section of the brain of a sacrificed rat. The distance between the lenses of the instrument is 24.0 cm and final image is vi..
A man slides along a long water slide and then being launched into the air to land in a water pool. Find the magnitude of the velocity at launch
A circus performer stretches a tightrope between two towers. He strikes one end of the rope and sends a wave along it toward the other tower. He notes that it takes the wave 0.730 s to reach the opposite tower, 20.0 m away.
A spring is stretched between two posts. When a pulse is produced at one end of the spring, it makes 4 back-and-forth trips along the spring in 3.4 s. If the pulse has a propagation speed of 12 m/s, how far apart are the posts?
determine the normal reaction at the roller a and horizontal and vertical components at point b for equilibrium of the
An 80 kg person climbs a set of stairs that are 5 meters high. How much gravitational potential energy does she gain
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