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A converging lens (f1 = 24.0 cm) is located 56.0 cm to the left of a diverging lens (f2 = -28.0 cm). An object is placed to the left of the converging lens, and the final image produced by the two-lens combination lies 20.1 cm to the left of the diverging lens. How far is the object from the converging lens?
Two infinite parallel plates separated by distance S are at potentials 0 and V0. What are the charge densities on the plates
A 5 kg block sits on top of a 10 kg block which rests on a horizontal frictionless surface. What is the minimum coefficient of static friction necessary to keep the top block from slipping on the bottom block
Calculate the pressure exerted on the skin by an acupuncture needle of radius 0.100 mm applied with a force of 4.40 N
A machine gun fires 23 g bullets horizontally at 260 m/s at a constant rate of 30 bullets/s. what is the average force exerted on the door
Light from an argon laser strikes a diffraction grating that has 5390 grooves per centimeter. Determine the wavelength of the laser light
In a double-slit interference experiment, the wavelength is ? = 622 nm, What is the linear distance between the 6th order maximum and the 2nd order maximum on the screen
The magnetic coils of a tokamak fusion reactor are in the shape of a toroid having an inner radius of 0.700 m and an outer radius of 1.30 m. Find the magnitude of the magnetic field inside the toroid along the outer radius
if a river flows due east at 1.68m/s. a boat crosses the river from the south shore to the north shore by maintaining a constant velocity of 13.40m/s due north relative to the water. if the river is 178m wide, how far downstream is the boat when i..
A Tube, of length 30 cm, is closed at one end, and produces a sound at the fundamental frequency of 270 Hz. Calculate the length of the second tube
A particle moves with constant acceleration a . The expression vi+at represents the particle's velocity at what instant in time? Here are the choices.
An eye has trouble seeing an object closer than 60 cm but needs to see objects at 25 cm from it. find the focal length of a correctly prescribed contact lens
A simple pendulum consists of a ball connected to one end of a thin brass wire. find the change in the period of the heated pendulum
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