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air resistance the resistance to motion in air is often ignored when modeling systems on earth however when objects are
peter drops a stick of dynamite down another deep hole near spruce mountain he times it from the moment he lets go and
what is the purpose of wires in a circuit why do we use wires to connect power supplies to resistors or other objects
what is the equation to find the equivalent resistance req of two resistors in series r1 and r2 choose one of the four
describe the basic concept behind transducers and then describe the functions specific to ultrasound
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a person on a haz mat team will be working for 15 hr while breathing oxygen from a pressurized tank while working they
for a car traveling at a certain speed it is possible to bank a curve at just the right angle so that no friction is
please help me with these physic study questions1 identifying the vectors and scalar quantities from the following list
a man pushes a lawn mower on a level lawn with a force of 212n if 41 of this force is directed downward how much work
three charges are located in the corners of the right triangle as shown below the sphere charges are q110nc q240 and
a bear leaves its den and begins foraging for food it takes 20 minutes to move 12 km north then spends 42 minutes
a hiker walks along the city streets 7 km north then 6 km east what is the direction of the displacement vector in
irina standing on the edge of a cliff throws a stone at 40 degree angle above the horizontal with an initial speed of
a particle moves in the xy-plane acted on by a conservative force described by the potential energy uxy 2x2 8y2 12xy
a hiker walks along the city streets 6 km north then 4 km east what is the magnitude of the resulting displacement
a guy pushes a lawn mower on a level lawn with a force of 201 n if 44 of this force is directed downward how much power
a horrifying room contains 1000 really stupid flies this room has dimensions of3m x 3m x 3m and it has one open window
small airplane a is flying through a mature isolated air mass thunderstorm at a height of 5 km while small airplane b
find the electrostatic potential produced by a uniformly charged line bent into an origin-centered circular ring in the
a rock is launched with an initial velocity of 17 ms at an angle of 26 degrees above the horizontal what is the