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a ferris wheel with radius 140 is turning about a horizontal axis through its center as shown in the figure below
a box of textbooks of mass 259kg rests on a loading ramp that makes an angle alpha with the horizontal the coefficient
an unloaded hummer has a standard ground clearance of 40cm and an unloaded mass of 2000kg the current ground clearance
you swing a 280 stone in a circle using the full length of a thin 600 rope at what speed should you swing it so its
a catapult launches a test rocket vertically upward from a well giving the rocket an initial speed of 796 ms at ground
an elevator moves downward in a tall building at a constant speed of 400 ms exactly 495 s after the top of the elevator
a small ball rolls horizontally off the edge of a tabletop of height h it strikes the floor a distance x horizontally
when a large star becomes a supernova its core may be compressed so tightly that it becomes a neutron star with a
1 a car undergoes a displacement of 500m due east followed by another displacement due south of 1200ma calculate the
a child of mass m sits in a swing supported by two chains each of length r the tension in each chain at the lowest
the electric field strength is 40800 nc inside a parallel-plate capacitor with a 22 mm spacing a proton is released
a capacitor is made from two 10 cm diameter coins separated by a 014 mm thick piece of paper k 37 a 9 v battery is
a horizontal force of 142 n pushes a 11 kg block up a frictionless incline that makes an angle of 44deg with the
a platinum resistance thermometer has resistances of 19964 when placed in a 0degc ice bath and 26619 when immersed in
a bowling ball mass 44 kg radius 011 m and a billiard ball mass 037 kg radius 0028 m may each be treated as uniform
a 1360 kg geosynchronous satellite orbits a planet similar to earth at a radius 197 times 105 km from the planets
a ball is tossed from an upper-story window of a building the ball is given an initial velocity of 890 ms at an angle
a 300-kg block starts from rest at the top of a 305deg incline and slides 200 m down the incline in 145 sa find the
a car is traveling at 590 kmh on a flat highwaya if the coefficient of friction between road and tires on a rainy day
a student decides to move a box of books into her dormitory room by pulling on a rope attached to the box she pulls
a relief airplane is delivering a food package to a group of people stranded on a very small island the island is too
a crate of mass 450 kg is being transported on the flatbed of a pickup truck the coefficient of static friction between
a train flat car is passing a loading dock at a speed of 80ms a 100 kg cargo crate is dropped on the bed of the flat
when starting a foot race a 700-kg sprinter exerts an average force of 650 n backward on the ground for 0800 sa what is