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Question1
A 1.0-cm-tall object is 20 {rm cm} in front of a converging lens that has a 10 {rm cm} focal length. Utilize ray tracing to find the position and height of the image. To do this precisely, use a ruler or paper with a grid.
Question2
An archer aims the arrow accurately horizontally over a large, flat field and lets it fly. The archer's watchband breaks and watch falls to a ground. Does watch hit the ground before, at the same time as, or after the arrow hits the ground?
Question3
The best main league baseball pitchers can throw a baseball with velocities exceeding 210.0 km/h. If a pitch is thrown horizontally with that velocity, how far does the ball fall vertically by time it reaches the catcher's glove 21.0 m away?
There is air on both sides of a soap film. What is the smallest thickness that the soap film (n=1.42) can have and appear bright if illuminated with 431?nm light
A disk-shaped merry-go-round of radius 2.63 m and mass 155 kg rotates freely with an angular speed of 0.763 rev/s, Calculate the initial and final kinetic energies for this system.
A 0.20-kg object is attached to the end of an ideal horizontal spring that has a spring constant of 120 N/m. compute the amplitude A of the motion
As a tennis ball is struck, it departs from the racket horizontally with a speed of 27.3 m/s. The ball hits the court at a horizontal distance of 19.3 m from the racket. How far above the court is the tennis ball when it leaves the racket?
A 0.800 m long solenoid is formed by wrapping 740 turns of wire around a hollow cylinder with a radius of 0.160 m. calculate the energy stored in the field
Suppose you have a spherical balloon filled with air at room temperature and 1.0 atm pressure; its radius is 8cm. what's the balloon's new radius
a 0.45 kg croquet ball is initially at rest on the grass. when the ball is struck by a mallet, how long was the mallet in contact with the ball
A thin metallic spherical shell of radius 0.377 m has a total charge of 5.03 × 10-6 C placed on it, What is the electric field at a distance of 0.785 m from the center of the spherical shell
An electron and a 140-g baseball are each traveling 200m/s measured to an accuracy of 0.095%, Calculate the uncertainty in position of the baseball
An infinitely long line of charge has linear charge density 5.00 x10-12 C/m. A proton (mass 1.67 x10-27 kg, charge +1.60 x10-19 C) is 18 cm from the line and moving directly toward the line at 1.50 x103 m/s. How close does the proton get to the li..
A certain speed boat weighs 5,880 N. It can accelerate from 0 to 40 m/s in 5 seconds. (Need to see the math). How large is the net force acting on the boat
An electron in the n = 6 state of a hydrogen atom makes a transition to the n = 3, What is the wavelength of the photon emitted
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