Lght is emitted from an ordinary lightbulb filament in
Light is emitted from an ordinary lightbulb filament in wave-trainbursts about 10^{ - 8} {\rm{s}} in duration. What is the length in space of such wave trains?
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1 a projectile is fired with an initial speed of 1000 ms at anangle of 37o above the horizontal if air resistance is
two blocks are connected by a light weight flexible cord thatpasses over a frictionless pulley if m1 is 37 kg and m2 is
a pendulum consists of a 31 kg stone swinging on a 38 m string of negligible mass the stone has a speed of 79 ms when
a circular saw is powered by a motor when the saw is used to cutwood the wood exerts a torque of 080n middot m on the
light is emitted from an ordinary lightbulb filament in wave-trainbursts about 10 - 8 rms in duration what is the
am radio signals are broadcast at frequencies between 530 khz and1605 khz kilohertz and travel 30 108 msa what is the
in the figure a block slides along a path that is without friction until the block reaches the section of lengthl 0710
a pulley with a radius of 30 cm and a rotational inertia of45times10minus3 kg middotm2 is suspended from the ceiling a
a block of mass m 7166 kg is pulled along ahorizontal frictionless surface by a rope of mass m 0470 kg as shown in fig
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