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vector a 800 cm long and points at 60deg above the positive x axis vector b 300 cm long and points along the negative
irina standing on the edge of a cliff throws a stone at 40 degree angle above the horizontal with an initial speed of
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a small object is placed 20 cm from the first of a train of three lenses with focal lengths in order of 1015 and 20 cm
basilisk lizards can run across the top of a water surface see the figure with each step a lizard first slaps its foot
an inflatable life raft is released from an air plane at 300 m altitude in level flight with an air speed of 120 ms in
for amandas trip to chicago she boarded a train in omaha and rode 805 km to chicago on returning she took the same
on a distant planet a freely falling object has an acceleration of 20ms2 calculate the vertical distance an object
discuss the types of energy transformations that are involved in the following devices or events for example for a
write a narrative about hals experiences and observations use as many meteorological terms and processes as possible
in 1983 jacqueline de creed driving a 1876 ford mustang made a jump of 71m taking off from the ramp inclined at 30 with
with a 1600 momega resistor across its terminals the terminal voltage of a certain battery is 260 v with only a 527
a number of different types of flow chambers have been designed to study adhesion between cells in vitro one important
a hiker walks along the city streets 7 km north then 4 km east what is the magnitude of the resulting displacement
a golf ball is struck with a five iron on level ground it lands 916m away 420 s later what was a the direction and b
what is relation between linear charge density and volume charge density of infinite
a cyclist is at rest at a traffic light when the light turns green he accelerates at a uniform rate of a 12 ms2 how
after flying for 13 min in a wind blowing 36 kmhat an angle of 21degsouth of east an airplane pilot is over a town that
a 107-kg box on the right and a 43-kg box on the left are tied together by a horizontal cable the 107-kg box is acted
ipa ball rolls off a table and falls 070mto the floor landing with a speed of 40mswhat is the magnitude of the
juan aims his boat directly across a river flowing at 8 mileshour juans boat travels at 6 mileshour in still water how
consider the momentum of a small ball during the projectile motion assume that there is no air friction is the momentum
a shotput thrower releases the shot with a release speedof 15ms and a release angle of 42deg above thehorizontal the
a spaceship in outer space has a doughnut shape with 480-m outer radius the inhabitants stand with their heads toward
with a constant acceleration a cart starts with an initial velocity of 15 ms and moves for 7 seconds during this time