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a 500 kilogram boy stands at the rim of a merry-go-round of radius160 meter rotating with an angular speed of 310 radsa
a cosmic-ray proton in interstellar space has an energy of 180 mev and executes a circular orbit having a radius equal
an ideal spring is compressed 12 centimeter from the equilibrium length resulting in 72 joule of potential energy being
a newspaper boy throws papers sideways onto the porches of his customers while riding his bicycle along the sidewalk
a porsche 914 accelerates uniformly from 0 to 60 mph in 5 sec assuming a frictionless air track and a glider mass of
a hotel elevator ascends 200 meter with maximum speed of 5 ms its acceleration and deceleration both have a magnitude
a 100 gram ball moving to the right at 45 ms catches up and collides with a 450 gram ball that is moving to the right
a 50000 kilogram space shuttle is in a 500 kilometer high circular orbit about the earth and wants to descend into a
rolling ball the first hill is at 3 meter above the valley second hill is at 7 meter find will the ball climb up to the
the attached video clip shows footage from skylab launched in 1973 used during 1973-74 and in orbit until 1979 during
a 93 kilogram person lying on a surface of negligible friction shoves a 68 gram stone away from himself giving it a
a hotel elevator ascends 200 m with maximum speed of 5 ms its acceleration and deceleration both have a magnitude of
pilots of high-performance fighter planes can be subjected to large centripetal accelerations during high-speed turns
a 200 kilogram toboggan with 699 kilogram driver is sliding down a frictionless chute directed 316 degree below the
a converging lens of focal length 0169 meter forms a virtual image of an object the image appears to be 0886 meter from
a diverging lens has a focal length of 195 centimeter an object 149 centimeter in height is located 361 centimeter in
the left face of a biconvex lens has a radius of curvature of 188 centimeter and the right face has a radius of
it is desired to construct a solenoid that will have a resistance of 500 ohm at 20degc and produce a magnetic field of
a 2200 kilogram truck traveling north at 44 kmh turns east and accelerates to 54 kmha determine what is the change in
a 727 kilogram block is initially moving with some speed due to the application of a constant horizontal force of 1183
a sports car starts from rest on a circular track of radius 690 meter the cars speed increases at the constant rate of
a horizontal applied force f pulls a 198 kilogram crate across the floor at constant speed if the coefficient of
a rotating wheel requires 800 second to rotate 300 revolutions its angular velocity at the end of the 800 s interval is
a helicopter flies over the aortic ice pack at a constant altitude towing an airborne 119 kilogram laser sensor that
a curve of radius 120 meter is banked at an angle of 230o determine at what speed can it be negotiated under icy