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the power rating of a resistor is the maximum power it can safely dissipate without being damaged by overheatinga if
a proton with an initial speed of 800000 is brought to rest by an electric fieldpart a what was the potential
a woman walks 305 m in the direction 58deg east of north then 164 m directly east finda the magnitude andb the angle
the coefficient of static friction between the tires of a car and a horizontal road is 0450 as the car brakes what is
an inclined plane is sliding and accelerating on a horizontal frictionless surface there is a block at rest on the
an -particle has a charge of 2e and a mass of 664 10-27 kg it is accelerated from rest through a potential difference
a car moves in a circle with constant speed the tires do not slip on the road what is the direction of the friction
you throw a 176 g ball straight up to a height of 370 ma assume that the displacement of your hand is 070 m as you
a hockey puck slides over ice with mu k 0013 what initial speed should the puck have so it travels the 56 m length of
a man pushes a 37 kg lawn mower using a handle inclined 300 degrees from the horizontal he pushes with 80 n directed
your friends 115 g graduation tassel hangs on a string from his rear-view mirrora when he accelerates from a stoplight
a 46-microc charge experiences a 042 n force in the positive y direction if this charge is replaced with a -10 microc
a 025 kg stone attached to a 08 m long string is rotated in a horizontal plane the string makes an angle of 17deg with
a daredevil on a motorcycle leaves the end of a ramp with a speed of 395 ms as in the figure below if his speed is 380
starting from rest a 550-kg block slides 200 m down a rough 300deg incline the coefficient of kinetic friction between
if you have two vectors in the xy plane x -3740 amp y4871 what is the magnitute of the resulant vector and its angle
two masses m38kg and m2kg are hung over a massless frictionless pulley what is the downward acceleration of mass
two blocks with masses m1 49 and m2 35 are connected with a massless string over two massless and frictionless pulleys
a 44 kg woman in an elevator is accelerating upward at a rate of 10 ms2a what is the net force acting upon the womannb
coherent sources a and b emit electromagnetic waves with wavelength 200 rm cm point p is 486 rm m from a and 524 rm m
a bird stands on a dc electric transmission line carrying 3200a the line has 27times105ohms resistance per meter and
a marble is projected up along a 11 deg incline track at an initial speed of 22ms and then coasts without frictiona how
a block with a mass of 732kg is on an incline plane that makes an angle 375o with respect to the horizon if 33793j of
a block with a mass of 245kg is pushed up an incline plane that makes an angle of 342o with respect to the horizon the
a 45 w flashlight bulb draws 750 maa at what voltage does it operateb what is its