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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
a hiker walks along the city streets 11 km north then 10 km east what is the direction of the displacement vector in
a curve of radius 68 m is banked for a designed speed of 85kmh if the coefficient of static friction is 030 at what
an electron is placed in a uniform electric field with a magnitude of 12vm which is at a direction of 35 degree a what
a if a fiber has a linear density of 4 decitex what is its linear density in both denier and texb calculate the density
a 2199-kg car is moving up a road with a slope grade of 29 while slowing down at a rate of 21 ms2 what is the direction
a phone-charger requires 500 v to operate a transformer allows the device to be powered from an overseas 240 v outlet
a dry porous core has a mass of 20g then the pores are filled with water and the mass is increased to 30g finally if
a circular coil of wire has a radius of 70cm and has 130 turns of wire that carries 69 a of current what is the
an iron tower in is 527 feetnbsptall on a cold day t -9 degrees celsius what is itsnbspfinalnbspheight totalnbspof the
a 0050kg ball at the end of a string rotates at constant speed in a vertical circle with a radius of 023m what is the
given the following cash flows for a capital project calculate the payback period npv pi irr and mirr the required rate
a 425-g softball is travelling at 186 ms 214 degreesa what is the momentum of the softballb determine the x-and