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a base ball has mass 0145 kg if the velocity of a pitched ball moving in the -x-direction has a magnitude of 450 ms and
a 016 kg hockey puck rubber disk is moving on an icy frictionless horizontal surface at t o the puck is moving to the
a mass of car m is moving with a uniform velocity v on a horizontal road when the hero of a film drop hims93 elf on it
a 0150kg glider is moving to the right x-axis on a frictionless horizontal air track with a speed of 080 mis it has a
a 100 g marble slide to the left w ith a velocity of magnitude 0400 mis on the frictionless horizontal surface and has
on a frictionlesshorizonta lairtable puck a w ith mass 025 kg is moving toward puck b w ith mass 035 kg which is
a 50 kg block w ith a speed of 30 mis collides w ith a 10 kg block that has a speed of 20 mis in the same direction
a railroad freight car of mass 318x104 kg collides with a stationary caboose car they couple togetherand 270 oo of the
a 60 kg box sled is moving across frictionless ice at a speed of 90 ms when a 12 kg package which is initially at rest
a 1200-kg station wagon is moving along a straight highway at 120 ms anothe r carw ith mass 1800kg and speed 200 ms has
at one instant the centre of mass of a system of 2 particle is located on the x-axis at x 20m and has a velocity of 50
the angular velocity of a flywheel obeys the equation w2 t a bt2 where t is in seconds and a b are constants having
the angle 0 through which a disk drive is given by 0 t a bt- ct3where a b c are constants t is given in seconds and 0
a bucket is being lowered down into a well through a rope passing overa fixed pulley of radius 10cm assume that the
in the below fig wheela of radius ra 10 cm is coupled by belt b to wheel c of radiusrc 25 cm the angular speed of
two uniform solid cylinderseach rotating about its central axishaving the same mass of 125 kg and rotate with the same
a uniform bar has two small balls glued to its ends the bar is 200 m long and has mass 400 kgwhile the balls each have
find the moment of inertia of a hoop a thin -walled hallow ring with mass 5 kg and radius 2m about an axis
find the moment of inertia of a solid cylinder of mass m and radius r about a line parallel to axis of the cylinder and
two identical spheres each of mass 120 kg and radius 100 cm are fixed at the ends of a light rod so that the separation
when a force of 100 n is exerted on the handle of a doorthe door can be just opened if the handle is at a distance of
a wheelof radius 10 cm can rotate freely about its center as shown in figure a string is wrapped over its rim and is
during the launch froma boarda divers angu lar speed about her center of mass changes fromzero to 620 rads in 220 ms
a thin spherica lsheli has a radius of 190 m an applied torque of 960 nm gives the shell an angular acceleration of 620
an electric motor consumes 900 kj of electrical energy in 100 min if one third of this energy goes into heat and other