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a sound wave of frequency 1440 hz propagating through air at 0 degrees celsius has a pressure amplitude of 170 pa what
a child operating a radio-controlled model car on a dock accidentally steers it off the edge the cars displacement 086
compute the average speed and average velocity of a complete round trip in which the outgoing 250 km is covered at 95
a beam of natural light with an irradiance of 430 wm2nbsp impinges on the first of two consecutive ideal linear
wrongly called for a foul an angry basketball player throws the ball straight down to the floor if the ball bounces
a uniform rod rotates in a horizontal plane about a vertical axis during one end the rod is 600m long weighs 100 n and
trucks can be run on energy stored in a rotating flywheel by an electric motor getting the flywheel up to its top speed
a block of mass 47 kg slides 20 m from rest down an inclined plane making an angle of 24 o with the horizontal if the
the flywheel of a steam engine runs with a constant angular velocity of 150 revmin when the steam is shut off the
a baseball pitcher throws a 44 ms fastball the baseball bat reverses the balls velocity and it leaves the bat at 56 ms
a 120-g rifle bullet is fired by a speed of 380 ms into a ballistic pendulum with mass 60 kg suspended from a cord 700
when light of wavelength 493 nm passes during a single slit of unknown width the diffraction pattern displays a
a charge q is distributed uniformly around a thin ring of radius r the ring is rotating about an axis through its
an electric field is directed out of the page within a circular region of radius r 300cm the magnitude of the electric
a square 066 m on a side is mounted therefore that it can rotate about an axis that passes during the center of the
two students are on a balcony a distance h above the streetnbspone student throws a ball vertically downward at a speed
you have a block on a frictionless ramp theta35 ft150n mass is 150 kg1 what is the x component of the force of gravity
the density of aluminium is 2700 kgm3 what is the velocity of a wave that propagates along a cylindrical aluminium wire
a 045-kg crow lands on a slender branch and bobs up and down with a period of 11 s an eagle flies up to the same branch
a small ball with a mass of 550 g is loaded into a spring gun compressing the spring by 150 cm when the trigger is
passengers riding in the great six flags air racer are spun around a tall steel tower see the figure at top speed the
a coin placed on a turntable rotating at 339 revmin will stay there if its center is placed no further than 70 cm from
a velodrome track is banked so that a bicycle traveling at 712 kmh will have no tendency to slip to either side when
through 023 s a wheel rotates through an angle of 298 rad as a point on the periphery of the wheel moves with a
an electron with kinetic energy 460 kev circles in a plane perpendicular to a uniform magnetic field the orbit radius