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a uniform rod is 20 m long the rod is pivoted about a horizontal frictionless pin through one end the rod is released
rectangular loop a rectangular loop area 015m2 turns in a uniform magnetic field b 017 t when the angle between the
a 15 m 419 n uniform ladder rests against a friction less wall making an angle of 636degree with the horizontalcompute
a clay ball of 01 kilogram is dropped 10 cm above a table at halfits mass the collision of the clay ball with the table
a dentist uses a concave mirror focal length 4 cm to examine some teeth if the distance from the object to the mirror
a gold prospector finds a solid rock that is composed solely of gold and quartz the volume and mass of the rock are
a particle with charge 20 c moves through a uniform magneticfield at one instant the velocity of the particle is 15i
a super ball of mass 005 kg is dropped from a height of 10 cm above a table top it bounces off the table and rises to
a stroboscope is a light that flashes on and off at a fix rate it can be used to illuminate a rotating object and if
a move theater projector produces a 30 m wide image of a 25 cm wide picture on a screen that is 18 m distant the focal
the overhead projector used in our lectures form approximately 2m-tall images of transparencies that are 30 cm tall the
a ball of mass 15 kg is thrown upward it leaves the throwers hand with a velocity of 10 ms the following questions
the allowed energies of a simple atom are 000ev 431ev and 660ev what wavelengths appear in the atoms absorption
when a man inhales air moves down the bronchus-wind pipe at 15 cms the average flow speed of the air doubles from a
a 15 kg mass attached to ended of a spring moves as a simple harmonic oscillator if the mass has a speed of 26 ms when
a 46-kg skater is standing still in front of a wall by pushing against the wall she propels her-self backward with a
a concave mirror lies flat on the floor with f1m a ball isdropped from 3m describe the image of the ball as it
identical particles are placed at the 80 cm and 50 cm marks on a meter stick of negligible mass this rigid body is then
in coming to a stop a car leaves skid marks 85 m long on thehighway assuming a deceleration of 40 ms2 estimate the
a 500 g object moving to the right at 200 cms makes an elastic head-on collision with a 100 g object that is initially
a mountain climber wears down clothing 329 cm thickwith total surface area 166 m2 the temperature at thesurface of the
two insulated wires each 290 m longare taped together to form a two-wire unit that is 290 m long one wire carries a
the current density in a 28 mum thick 75 mum wide gold long film is 750000 am2 the current flows along the length of
the volume flow rate in an artery supplying the brain is 420 10-6 m3sa if the radius of the artery is 590 10-3 m
an aluminum can is filled to the brim with a liquid the liquid and the can are heated thus their temperatures change by