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two skaters a man and a woman are standing on ice neglect any friction between the skate blades and the ice the mass of
starting from rest a 12 kg block slides down a frictionless curved slide h 8m the vertical height from a to b it then
in a classic carnival ride patrons stand against the wall in a cylindrically shaped room once the room gets spinning
three capacitors c1 600 uf c2 1200 uf and c3 1800 uf are connected in series and in turn connected to a 24 v
a toddler initially standing next to his father in the front yard walks slowly away from his dad in the direction of
a 6 kg block is on a frictionless plane inclined at 37 degrees the block is attached by a weightless cord passing over
an object acted on by three forces moves with constant velocity one force acting on the object is in the positive x
three equal positive point charges of magnitude q 500 c are located at three corners of a square of edge length d 72
a hoodlum throws a stone vertically downward with an initial speed v0 from the roof of a building a height h above the
you buy a plastic dart gun and being a clever physics student you decide to do a quick calculation to find its maximum
a small droplet of oil with mass of 304times10-15 kg is held suspended in a region of uniform electric field directed
a skier is accelerating down a 300deg hill at a 420 ms2a what is the vertical component of her acceleration in ms2
an olympic long jumper is capable of jumping 82 m assume that his horizontal speed is 91 ms as he leaves the groundhow
scientists are experimenting with a kind of gun that may eventually be used to fire payloads directly into orbit in one
a passenger on a boat moving at 120 ms on a still lake walks up a flight of stairs at a speed of 050 ms the stairs are
two planes approach each other head-on each has a speed of 705 kmh and they spot each other when they are initially 150
a boat can travel 220 ms in still watera if the boat points its prow directly across a stream whose current is 140 ms
huck finn walks at a speed of 060 ms across his raft that is he walks perpendicular to the rafts motion relative to the
a rocket blasts off and moves straight upward from the launch pad with constant acceleration after 33s the rocket is at
a rescue plane wants to drop supplies to isolated mountain climbers on a rocky ridge 235 m below assume the plane is
the archerfish hunts by dislodging an unsuspecting insect from its resting place with a stream of water expelled from
a projectile is shot from the edge of a cliff h 105 m above ground level with an initial speed of v0 145 ms at an
a ball thrown horizontally at 220 ms from the roof of a building lands 360 m from the base of the building how high is
a football is kicked at ground level with a speed of 150 ms at an angle of 370deg to the horizontal how much later does
a diver running 18 ms dives out horizontally from the edge of a vertical cliff and 27 s later reaches the water