A 20-kg object moving by a velocity of 50 ms in the
A 2.0-kg object moving by a velocity of 5.0 m/s in the positive x direction strikes and sticks to a3.0-kg object moving by a speed of 2.0 m/s in the similar direction. How much kinetic energy is lost in this collision?
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a flight attendant wants to change the temperature of the air in the cabin from 180deg c to 240deg c without changing
a pulsed laser emits light in a series of short pulses each having duration of 246 ms the wavelength of the light is
a slide projector has a converging lens whose focal length is10300 mm1 how far from the lens should the screen be
assume you wish to make a solenoid whose self-inductance is28 mh the inductor is to have across-sectional area of
a 20-kg object moving by a velocity of 50 ms in the positive x direction strikes and sticks to a30-kg object moving by
a particle is confined to the one-dimensional infinite potential well of fig 39-2 if the particle is in its ground
a generator utilizes a coil that has 160turns and a 065 t magnetic field the frequency of this generator is 600 hz and
a vacuum cleaner is plugged into a 1200 v socket and utilizes 30 a of current in normal operation when the back emf
a spring k 200 nm is suspended by its upper end supported from a ceiling with the spring hanging in its equilibrium
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