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which of the following statements are true choose all that apply1 the magnetic force isalways perpendicular to both the
a person pulls a toboggan for a distance of 285 m along the snowwith a rope directed 274 deg above the snow the tension
you are moving into an apartment and take the elevator to the 6th floor suppose your weight is 630 n and that of
one cylinder in the diesel engine of a truck has an initial volume of 600cm3 air is admitted into the cylinder at 30
you are driving at a speed of 20 ms suddenly you see a deer 100m in front of the car and hit the brakes immediately you
a 33-kg girl is bouncing on a trampoline during a certaininterval after leaving the surface of the trampoline her
a student ties a 500 g rock to a 10-m-long string and swings it around her head in a horizontal circle at what angular
an asteroid is moving along a straight line a force acts alongthe displacement of the asteroid and slows it down the
a fighter jet is launched from an aircraft carrier with the aidof its own engines and a steam-powered catapult the
the total momentum of a closed system is observed to be975 kgmiddotms east the systemconsists of 12 objects that are
if there exists a perfect sphere of mass m and radius r it is accelerated on a straight line towards the speed of
a door 140 m wide and 220 m highweighs 280 n and is supported by two hinges one 050 m from the top and the other 050 m
a t-bar tow is planned in a new ski area at any one time it will be required to pull a maximum of 73skiers up a 598-m
the drawing shows two wires that both carry the same current ofi 661 a and are oriented perpendicular to the plane
in some places insect zappers with their blue lights are a familiar sight on a summers night these devices use a high
suppose there are two transformers between your house and the high-voltage transmission line that distributes the power
two conductors insulated from each other are charged by transferring electrons from one conductor to the other after
a dedicated sports car enthusiast polishes the inside and outsidesurfaces of a hubcap that is a section of a sphere
a circular surface with a radius of 0057 m is exposed to a uniformelectric field of magnitude 187 x 104 nc the
a small object slides along the frictionless loop-the-loop with adiameter of 3m what minimumnbspspeed must it have at
an electron traveling at 503 ms enters a94 t magnetic field the angle betweenthe velocity and the field is 109o find
a homemade electroscope has 2 pieces of straw hanging from 2strings dangling from a hook the length of the string
a stone is dropped from the top of a building if it takes 3 seconds for the stone to drop to the ground a calculate the
a physicist visits a wealthy friend marketing major who has aswimming pool the physicist a theoretician accidentally
a 84-kg rock and a 67times10-4-kg pebble are heldnear the surface of theearth a determine the magnitude of the