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the maximum speed of a 37-kg mass attached to a spring is 067 ms and the maximum force exerted on the mass is 12 nwhat
a uniform cylinder whose mass is 50 kg and radius is 020 m is mounted so that it turns without friction on its axis
what is the amplitude of the electric field vector of the satellite broadcast as measured at the surface of the earth
a vacuum diode consists of a cylindrical cathode of radius 005cm mounted coaxially within a cylindrical anode 045 cm in
question 1 a spring has a spring constant of k 7500nm if the spring is displaced 05500 from its equilibrium position
a diverging lens with a focal length of -14 cm is placed 10 cm to the right of a converging lens with a focal length of
a weather vane initially at rest has a moment of inertia of 0125 kg middot m2 about its axis of rotation a 635 g piece
an open railroad car of mass 2404 kg is coasting with an initial speed of 18 ms on a frictionless horizontal track it
ceres the smallest identified dwarf planet in the solar system has a radius r 480 km and an acceleration due to
a rubber ball mass 027 kg is dropped from a height of 18 m onto the floor just after bouncing from the floor the ball
a car with a total mass of 192103 kg has wheels of radius 310 cm and moment of inertia 0830 kg middot m2 what is the
the weight of a star is usually balanced by two forces the gravitational force acting inward and the force created by
the speed of sound does not depend on the loudness or the frequency of sound the speed of sound in dry air 0 degree
a motorcyclist intends to perform a stunt in which he jumps a river 25 meters wide the motorcyclist must jump from a
a projectile is fired directly upward at such an initial velocity that it reaches half its height of 45 meters
as astronauts travel between the earth and the moon their mass remains constant but their weight diminishes assume the
a plane diving with constant speed at an angle of 490deg with the vertical releases a projectile at an altitude of 560
light with 760 nm is diffracted by a single slit and the first intensity minimum the first dark fringe occurs at
a closely wound coil has a radius of 630 cm and carries a current of 170 a how many turns must it have if at a point on
a rock is dropped in a large tank of benzene n15 and sinks to the bottom of the tank if the apparent depth of the rock
an ac generator with a frequency of 341 hz and an rms voltage of 120 v is connected to a 498-microf capacitora what is
a converging lens has a focal length of f 43 cm for blue light and f 53 cm for red light an object is placed 140 cm
your eye diameter 25 cm is able to focus the image of a tree on your retina the tree is 24 m tall and 85 m away what is
each of the plates of a parallel plate capacitor has an area of 106cm2 and a plate separaton difference of 2mm suppose
a 240 h coil with a resistance of 395times102 ohm is in series with a 486times103 ohm resistor this circuit is