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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
a hot- air balloon is ascending at the rate of 12ms and is 80 m above the groundnbsp when a package is dropped over the
find what is the spring constant of a spring that stretches 200 centimeter when a mass of 0600 kilogram is suspended
a river flows due east at 15 ms a boat crosse the river from the south shore to the north shore by maintaining a
a roller coaster at an amusement park has a dip that bottoms out in a vertical circle of radius r a passenger feels the
a photographer in a helicopter ascending vertically at a constant rate of 105ms accidentally drops a camera out of a
if 520 centimeter of copper wire diameter 100 millimeter is formed into a circular loop and located perpendicular to a
suppose a ball rolls off a horizontal table and lands 15m out from the edge of the table if the table k top is 90 cm
a child of mass m is released from rest at the top of a water slide at height h 85 meter above the bottom of the slide
a 60 centimeter tall cylinder floats in water with its axis perpendicular to the surface the length of the cylinder
an 80 kilogram spacewalking astronaut pushes off a 640 kilogram satellite exerting a 100 newton force for the 050
a 1320-kilogram car moving with a speed of 150 ms is on a flat circular curve having a radius of 570 metershow much
a ballot box with mass m 60 kilogram slides with speed v 40 ms across a frictionless floor in the positive direction
a sled slides without friction down a small ice covered hill if the sled starts from rest at the top of the hill its
a 330 newton sphere 020 meter in radius rolls without slipping 60 meter down a ramp that is inclined at 28 degree with
a 440 n uniform rectangular sign400 m wide and 300 m high is suspended from a horizontal600-m-long uniform 90-n rod as