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a factory worker moves a 300 crate a distance of 520 along a level floor at constant velocity by pushing horizontally
the femur is a bone in the leg whose minimum cross-sectional area is about 43 x 10-4 m2 a compressional force in excess
a small ball is attached to one end of a spring that has an unstrained length of 0152 m the spring is held by the other
an automobile has a mass of 1840 kg and a velocity of 150 ms it makes a rear-end collision with a stationary car whose
a 490 g bullet is fired horizontally at two blocks resting on a smooth tabletop as shown in the top figure the bullet
a ball is rolling down a ramp when it passes a particular point you determine that the ball is traveling at an angular
a 500 kg snowboarder has an initial velocity of 200 ms at the top of a 26o incline after sliding down the 100m incline
a string is wrapped many times around a pulley and is connected to a block with mb 5711 kg that is hanging vertically
a toy of mass 0155 is undergoing simple harmonic motion shm on the end of a horizontal spring with force constant 295
scientists want to place a 44000 kg satellite in orbit around mars they plan to have the satellite orbit at a speed of
a pulley with a radius of 100 cm is mounted on an axle that passes through the center of the pulley the axle allows the
you are researching personal watercraft pwc safety these vehicles have a well known safety issue in which the rider
a 0477 kg block of wood hangs from the ceiling by a string and a 00680 kg wad of putty is thrown straight upward
a frictionless block of mass 235 is attached to an ideal spring with force constant 250 at the spring is neither
an artillery shell of mass 1000 kg lying at rest on the ground accidentally detonates exploding into three pieces of
when a cannon with a longer barrel is fired the force of expanding gases acts on the cannonball for a longer distance
a 300 kg block is released from rest at the elevated end a of a frictionless track that slopes down to a point b and
a white billiard ball with mass mw 143 kg is moving directly to the right with a speed of v 342 ms and collides
a bumper car with mass m1 1090 kg is moving to the right with a velocity of v1 49 ms a second bumper car with mass m2
a 02 m3 rigid tank initially contains refrigerant 134a at 1 mpa saturated vapor the tank is connected to a supply line
a sample of serum has a mass of 54 mg and a volume of 225 cm3 what is its density in gcm3 what would be the mass of
two balls of negligible radius are connected by a rod with a length of 150 m the rod has a negligible mass one ball has
a circular platform of radius rp 595 m and mass mp 359 kg rotates on frictionless air bearings about its vertical
a proton moves perpendicular to a uniform magnetic field at a speed of 190 107 ms and experiences an acceleration of