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a student stands at the edge of a cliff and throws a stone horizontally over the edge with a speed of 210 ms the cliff
a bicyclist rides 293 km due east while the resistive force from the air has a magnitude of 855 n and points due west
a uniform magnetic field points north its magnitude is 45 t a proton with kinetic energy 71 10-13 j is moving
a positron q e moves at 46 107 ms in a magnetic field of magnitude 050 t the magnetic force on the positron has
at a certain point on earths surface in the southern hemisphere the magnetic field has a magnitude of 49 10-5 t and
a a snowboarder starts from rest and rides 3145 m down a snow-covered slope that makes an angle of 2645deg with the
a pitcher pitches a baseball of mass 020 kg the baseball arrives at home plate with a speed of 40 ms and is batted
a 1500 kg elevator starts from rest and moves upward with constant acceleration for 40 s until it reaches its operating
in her bathroom mindy has an overhead heater that consists of a coiled wire made of nichrome that gets hot when turned
a charging rc circuit controls the intermittent windshield wipers in a car the emf is 120 v the wipers are triggered
a certain lightbulb has a tungsten filament with a resistance of 191 when at 200degc and 142 when hot assume the
a child throws a rock horizontally off of a 7m building with a velocity of 17 ms easta how long will it take the rock
a tennis ball is thrown straight up with an initial speed of 20 msa how long does it take the tennis ball to get to its
in the figure a ball is launched with a velocity of magnitude 600 ms at an angle of 410deg to the horizontal the launch
a quarterback throws a pass at an angle of 40deg above the horizontal with an initial speed of 220 ms the ball is
a river has a steady speed of 0350 ms a student swims upstream a distance of 100 km and swims back to the starting
the pilot of an airplane notes that the compass indicates a heading due west the airplanes speed relative to the air is
a car travels due east with a speed of 350 kmh raindrops are falling at a constant speed vertically with respect to the
a golfer takes two putts to get his ball into the hole once he is on the green the first putt displaces the ball 550 m
a certain light truck can go around an unbanked curve having a radius of 166 m with a maximum speed of 341 ms with what
a girl delivering newspapers covers her route by traveling 700 blocks west 400 blocks north and then 300 blocks easta
a quarterback takes the ball from the line of scrimmage runs backwards for 70 yards then runs sideways parallel to the
during the execution of a play a football player carries the ball for a distance of 43 m in the direction 62deg north
two parallel plates each having area a 37880cm2 are connected to the terminals of a battery of voltage vb 60 v as
a brick weighing 30 n falls from a height of 15 m and sinks 07 m into the ground what is the average force on the rock