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a force with components fxt 200 ns2 t2 and fyt 300 nst ndash 100 n is applied toan object of mass 200 kg if the
a swimmer heading directly across a river 200 m wide reaches theopposite bank in 6 min 40 s she is swept downstream 480
1 what is the acceleration of gravity 14200km from the center of earthhint given the earths radius is 6400km2 how long
the driver of a motorboat that can move at 10 ms in still waterwishes to travel directly across a narrow strait in
an airplane with a speed of 120 kmh is headed 300ordm east of north in a wind blowing due west at 300ordm kmh what is
1 the penrose process has been proposed as a means ofa energy extractionfrom a black holeb waking up students whohave
a 30kg mass is dropped from the edge of 50m tall builiding with an initial speed of zero the mass strikes the ground
a mass undergoes shm with amplitude of 4 cm the energy is 80 j atthis time the mass is cut in half and the system is
a 058 kg block is attached to a spring with a force constantof 116 nm is free to move on a frictionless horizontal
1 the one component of the material of the milky way galaxy that prevents us from seeing and photographing the galactic
a 100 g bullet traveling horizontallt at 755 ms strikes astationary target and stops after penetrating 145 cm
a pebble rolls off the roof of a building and falls verticallyjust before it reaches the ground the pebbles speed is 17
suppose a force ft300ns2 t2 - 200 nis exerted on an object with a mass of 200 grams and an initial velocity of500 ms in
transverse waves of amplitude 08 mm travel at 60 ms along a ropeof linear mass density 35 gm a 50 hz oscillator is
the toroid shown in the figure hasa wire carrying a current i 900 amperes wrapped around it n 650times the inner radius
a marble radius 08 cm and mass60 g rolls without slipping down a rampof vertical height 28 cm what is the speed of the
a cosmic ray particle has a mass in its own rest frame of 100mev what would be the apparent mass in the observers frame
a 100-kg cylinder rolls without slipping across a surface at an instant when its linear speed is 100-ms determinea its
a solid cylindrical disk has a radius of 020 m it is mounted to an axle that is perpendicularto the circular end of the
a model airplane with mass 0750-kg is tethered by a wire so that it flies in a circle of radius 300-m the airplane
a thin rod is initially positioned in the vertical direction withits lower end attached to a frictionless axis that is
a cosmic ray has a lifetime of 2 mirco seconds at what minimum speed must it travel to cover a distance of 100km as
a 15400 g mass is ona horizontal surface with muk 031 and isin contact with a massless spring with a force constant of
a projectile is shot from the edge of a cliff h125m aboveground level with an initial speed of v0155ms at an angle of
young david who slew goliath experimented with slings beforetackling the giant he found that he could revolve a sling