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tom the cat is chasing jerry the mouse across a table surface15 m above the floor jerry steps out of the way at the
a 100kg piece of cheese is placed on a vertical spring of negligiblemass and force constant k 1800 nm that is
a 500 kg sack of flour is liftedvertically at a constant speed of 400 ms through a height of130 ma how great a force is
an old bucket of mass 675kg hangs in awell at the end of a rope the rope passes over africtionless pulley at the top of
a 180 ib soldier had an accident he fell down from a helicopterhoverin at 150 ft above a sno packed ground the impact
the mass of the planet neptune is 45x10power 26 kg itsradius of orbit around the sun is 45x10power12m calculate the
a coin with a diameter of 250 cm is dropped on edge onto a horizontalsurface the coin starts out with an initial
two forces are applied to a car in an effort to move itf1450n 10 degrees from xand f2400n 30 degrees from xa whatis the
you are driving at a speed of 25ms eastward along a levelroad at night suddenly you see the shining eyes of a deer
as a mechanical engineer you must design a cooling unit fora new freezer the enclosure has an inner surface of 60m2 and
a 5 kg fish swimming at 1 ms swallows a 1 kg fish swimmingtowards it at a velocity that brings both fish to a
a spy satellite is in circular orbit around earth it makesone revolution in 601 hoursa how high above earths surface is
a ballplayer standing at home plate hits a baseball that iscaught by another player at the same height above the ground
a 610 kg elevator starts from rest and moves upward for 350 swith constant acceleration until it reaches its cruising
an archer pulls the bowstring back for a distance of0550 m before releasing the arrow thebow and string act like a
when a resistor is connected by itself to an ac generator theaverage power delivered to the resistor is 136 w when a
a skier traveling 110 ms reaches the foot of a steady upward 180deg incline and glides 132 m up along this slope before
two identical capacitors are connected in parallel to an acgenerator that has a frequency of 740 hz and produces a
a fuse in an electric circuit is a wire that is designed to meltand thereby open the circuit if the current exceeds
a step-down transformer turns ratio 18 is used with an electric train to reduce the voltage from the wall receptacle
a 1300 kg cartraveling at a speed of 370 rm mrm s skids to a halt on wet concrete where muk 0500 how long are the
a 160 kg hoop rolls along a horizontal floor so that the hoops center of mass has a speed of 0170 ms how much work must
an object of mass m undergoes an elastic collision with anidentical object that is at rest the collision is not head-on
a sled is initially given a shove up a frictionless 25 degree incline it reaches a maximum vertical height 135 m higher
a 55-kg hiker starts at an elevation of 1600 m and climbs to the top of a 3100-m peaka what is the hikers change in