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a billiard ball moving at 560 ms strikes a stationary ball of the same mass after the collision the first ball moves at
a 5 kg object and a 3 kg object are connected by a light string that passes over a light frictionless pulley at wood
in an american football game a 898 kilogram fullback running east with a speed of 495 ms is tackled by a 944 kilogram
explain poiseuilles law and its various components in a paragraph and give an example of this in the human bodyhint use
a 100 gram wad of sticky clay is hurled horizontally at a 95 gram wooden block initially at rest on a horizontal
the gravitational constant would be easy to gauge if ordinary matter were denser what would the density of a sphere of
a waiter shoves a ketchup bottle with mass 045 kilogram toward the right along a smooth level lunch counter to a
what force must be applied to push a carton weighing 266 newtonrsquos up a 10deg incline if the coefficient of kinetic
a ball of mass 0140 kilogram is dropped from rest from a height of 125 meter it rebounds from the floor to reach a
a flywheel with a diameter of 112 m is rotating at an angular speed of 254 revmin a what is the angular speed of the
a 92kg astronaut and a 1200 kg satellite are at rest relative to the space shuttle the astronaut pushes on the
a railroad car of mass 248 x 104 kilogram is moving with a speed of 382 ms it collides and couples with three other
the work needed to stretch a certain spring from an elongation of 400cm to an elongation of 500cm is 305j a what is the
water skiers of tern ride to one side of the center line of a boatnbsp in this case the ski boat is traveling at 15 ms
explain how fast can you set the earth moving in particular when you jump straight up as high as you can find what is
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 thin spherical shell of mass 0450 kilogram and diameter 0230 meter is filled with alcohol rho 806kgm3 it is then
a hockey puck slides off the edge of a table with an initial velocity of 200 ms the height of the table above the
a skateboarder starting from rest rolls downs a 149-mramp when she arrives at the bottom of the ramp her speed is 613ms
sand from a stationary hopper falls on a moving conveyor belt at the rate of 570 kgs the conveyor belt is supported by
an object of mass m3kg is attached to an ideal spring by spring constant k 25 nm the 2nd end of the spring is attached
an electron is accelerated from rest by a potential difference of 387 v it then enters a uniform magnetic field of
two 15 gram beads each charged to 54 nc are 26 centimeter apart a 30 gram bead charged to-10 nc is exactly halfway
a rock is dropped from the roof and hits the ground with a speed of 24ms1 from what height was it dropped and how long
a mass is attached to a spring of spring constant 60 nm along a horizontal frictionless surface the spring is initially