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a singly charged positive ion has a mass of 237 10-26 kg after being accelerated through a potential difference of 246
a flea is able to jump straight up about 056 m it has been said that if a flea were as big as a human it would be able
children sled down a 44m -long hill inclined at 23 degrees at the bottom the slope levels outa if the coefficient of
the coyote starts 420 m from the brink of a cliff the roadrunner zips past him at a speed of 180 ms the coyote starts
a car travels a distance of 280 m by accelerating from rest at 200 ms2 for 700 s and then coasting at constant speed
a man with mass m1 660 kg stands at the left end of a uniform boat with mass m2 1770 kg and a length l 35 m let the
the maximum current in a superconducting solenoid can be as large as 354 ka if the number of turns per meter in such a
a 043 kg particle moves in an xy plane according to xt - 13 4 t - 3 t3 and yt 26 9 t - 7 t2 with x and y in meters
a skier of mass m 70kg glides down a slope at angle theta 32 degrees as shown in the figure below the snow is so
two capacitors are connected to a battery the battery voltage is v 90 v and the capacitances are c1 200 f and c2 400
an extension cord is used with an electric weed trimmer that has a resistance of 187 the extension cord is made of
a defibrillator is used during a heart attack to restore the heart to its normal beating pattern a defibrillator passes
the inner and outer surfaces of a cell membrane carry a negative and positive charge respectively because of these
four identical charges 19 c each are brought from infinity and fixed to a straight line each charge is 055 m from the
for a glass lens n150 the focal length in the air is 10 cm and an object places on one side of it creates an image that
a block of mass 120 kg slides from rest down a frictionless 330deg incline and is stopped by a strong spring with k
the orbital speed of earth about the sun is 290times104 ms and its distance from the sun is 150times1011 m the mass of
a frictionless plane is 100 m long and inclined at 340deg a sled starts at the bottom with an initial speed of 600 ms
youre using a rope to pull a sled at constant velocity across level snowwith coefficient of kinetic friction 0050
consider the circuit in the figure below with resistors r1 2400 r2 4400 and r3 1100 and batteries with emfs 1 64
a 15 n horizontal force pushes a block weighing 48 n against a vertical wall the coefficient of static friction between
a square loop of wire consisting of a single turn is perpendicular to a uniform magnetic field the square loop is then
miners are trapped at the bottom of a 500m deep shaft you are located 50m away from the top of the shaft and the
a positive charge of q 540 uc is fixed in place from a distance of ri 420 cm a particle of mass m 550 g and charge q
two electrodes are placed in a calcium chloride solution and a potential difference is maintained between them