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a small insect viewed through a convex lens is 15 cm from the lens and appears three times its actual size what is the
after landing on an unfamiliar planet a space explorer constructs a simple pendulum of length 520 cm the explorer finds
two diffraction gratings a and b are located at the similar distance from the observation screens light with the same
assume blue light lambda 500 nm is used to decide the position of an electron to within the wavelength of the light
a 30 kg box rests at the top of 30 degree incline before it is released the top of the incline is 50 m above the floora
a 100-kg box starts at rest and slides 35 m down a ramp inclined at an angle of 30o by the horizontal if there is
a flat circular coil with 106 turns a radius of 243 x10-2 m and a resistance of 0328 omega is exposed to an exterior
a bat can detect very small objects such as an insect whose length is about equal to one wavelength of the sound the
a taut rope has a mass of 0195 kg and a length of 365m what power should be supplied to the rope so as to generate
man hong is running the balloon darts game at the school fair he has blown up hundreds of balloons 12 percent say you
1 the figure shows tow disks a and b commented together that are rotating with angular acceleration alpha the radius of
calculate the total number of possibilities for a pass code that uses 6 characters the first 2 must be numbers then
1 a light wave was reflected off of a mirror at an angle of56deg what was the incident anglenbsp2 a light ray in water
a communications satellite is in synchronous orbit that is27 107 m directly above the equator the satellite is located
evaluate the curvature radius of a concave mirror that produces a95-centimeter high virtual image of a57 centimeter
a converging lens has a focal length of 60 centimeter a 12 centimeter high arrow is located 95 centimeter from the lens
an 18mm wide diffraction grating has rulings of 390 lines per mm monochromatic light of 487 nm wavelength is incident
a one kilogram rocket is launched into the air at a 45o angle after traveling 100 m when its speed was 50 ms it breaks
an object and its lens-produced real image are 24 meter apartif the lens has 55-centimeter focal length find the
a satellite that has a mass of 300 kilogram moves in a circular orbit of 500 x 107 meter above the earths
a thin film of acetone n 125 coats a thick glass plate n 158 white light is incident normal to the film in the
the owner of a van installs a rear-window lens that has a focal length of -0302 meter when the owner looks out through
two skaters one with mass 65 kilogram and the other with mass 40 kilogram stand on an ice rink holding a pole of length
in the hammer throw a competitor whirls a 725 kilogram ball on at ether around in a slanted circle and releases it on
the volume of a monatomic ideal gas increases by a factor of 4 in an adiabatic expansion determine by what factor does