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A plane convex lens made of glass (n = 1.50) with one flat surface and the other having a radius of 20 cm. what is the focal length (in cm) of the lens? where does the image from for an object 4.0 cm away? if the image is 6.0 cm tall what is the magnification and size of the object?
q. a baby bounces up and down in her crib. her mass is 10.5 kg and the crib mattress can be modeled as a light spring
The vibration of a system in the ground state is called zero point motion, because the molecule is at zero kelvin. The tips of air plane wings(mass of order 10^4 kg) oscillate in flight (period of 1 s, amplitude of 0.1 m), could this be zero point mo..
Two bowling balls, each of mass 5kg, are located so that their centers of mass are 0.5m apart. What is the size of the force of universal gravitation
Considering just the Sun and Jupiter, determine the radius of the circular orbit the Sun makes about the Sun-Jupiter center of mass
A 140 g air-track glider is attached to a spring. The glider is pushed in 12.00 cm and released. A student with a stopwatch finds that 9 oscillations take 10.0 s.
An object of mass 50.5 g is initially placed in boiling water so that it is at 101° C. Then the object is dropped into a calorimeter, Find the specific heat of the object
Two point charges 1.9cm apart have an electric potential energy -150?J . The total charge is 30nC
a 2.0 kg object is dropped from a 4.0 meter height. Calculate the speed of the ball prior to striking the ground
Two radio antennas are separated by 1.20m. Both broadcast identical 750 MHz waves. If you walk around the antennas in a circle of radius 20m, how many maxima will you detect.
Two identical point charges (q = +1.50 x 10-6 C) are fixed at opposite corners of a square whose sides have a length of 0.570 m. Determine the speed of the test charge
Light in vacuum is incident on the surface of a slab oftransparent material. What is the index of refraction of the transparent material
A 120-V rms voltage at 60.0 Hz is applied across an inductor, capacitor and a 100-? resistor in series. what is the rms value of the current in this circuit
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