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a 1400 kilogram car crashes into a tree it was going 200 meters per second and it was brought to rest in 04 seconds
a 153 kg ball is attached to a ceiling by a 306 m longstring the height of the room is 512 m the acceleration of
a tightrope walker is practicing she isbalanced on a rope at the exact midpoint of the rope the tensionin the rope is
a shipping container is hauled up a roller ramp that iseffectively frictionless at a constant speed of 210 ms by a2250
a particle is acted on by two torques about the origin tau1 has magnitude 6 n m and points in the direction of
a torque of 75 nsdotm rotates a solid sphere about an axis that is tangent to the spheres surface if the mass of the
a 412-kg boy riding a 265-kg skateboard at a velocity of 507 ms across alevel sidewalk jumps forward to leap over a
a steel strut near a ships furnace is 180 m long with a mass of 152 kg and a cross-sectional area of 100 10-4 m2 during
consider a circuit containing a resistor with r 2600 omega and a capacitor withc 49 microf at what frequency does the
a 400 n crate starting at rest slides down a rough 60 m longramp inclined at 300 degrees with the horizontal the force
the pickup coil in an electric guitar contains 10000 turnsand has a diameter of 21 mm when thepickup coil is very close
a positively charged particle of mass 540 10-8 kg is traveling due east with a speedof 70 ms and enters a 045 t uniform
a 97-kg astronaut and a 1100-kg satellite are at rest relative tothe space shuttle which is located 125 m away to
a nichrome wire is 1 m long and 1 x 10-6 m2 in cross-sectionalarea when connected to a potential difference of 2 v
a constriction in a pipe reduces its diameter from 63 cm to 21cm where the pipe is wider the fluid velocity is 8 ms
a 55cm long brass rod has a diameter of 3cm what compression force will break this rod what tension force will break
a flywheel with a very low friction bearing takes 16 h to stopafter the motor power is turned off the flywheel was
two students decided to fling balloons filled with m1681 grams ofice water at coeds who are sun batheing on the roof of
from the top of a tall building a gun is fired the bullet leaves the gun at a speed of 340 ms parallel to the ground as
a pully system consists of a mass m 35-kg block resting on a frictionless horizontal ledge this block is attached to a
1 a solar cell generates a potential difference of00806 v when a 500 omega resistor is connected acrossit and a
a 70 kg window cleaner uses a 20 kg ladder that is 54 mlong he places one end on the ground 22m from a wall rests the
an isolated capacitor of unknown capacitance has been charged to apotential difference of 125 v when thecharged
a scaffold of mass 65 kg and length65 m is supported in a horizontalposition by a vertical cable at each end a window
when a patient is being fitted with contact lenses thecurvature of the patients cornea is measured with an