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a woman supports a 50 kg barbell at 90 degrees by contracting the biceps in both arms her biceps insert 4 cm from the
an ac generator is to have a maximum output of 340 v each coil has an area of 0127 m2 and a resistance of 170 and
in 1980 y published an extended pedigree of family in which acis-ab allele was inherited in one case they described a
reduce the expression for the time rate of change of the expectation value of the y component of orbital angular
the only force on a 40-kg body as it moves along the x axis is given by fx 14 - 61x n where x is in m the velocity of
the near earth asteroid rendezvous near after traveling 21 billion km is meant to orbit the asteroid eros at a height
a 950kg car is at the top of a 40m -long 25 degree incline its parking brake fails and it starts rolling down the hill
a bird mass 31 g is flying at 111 ms when it flies into a glass window and bounces off at a speed of 41 ms the bird is
a 200-kg box rests on a horizontal surface the coefficient of static and kinetic friction between the box and the
a block of mass 400 kg initially at rest is accelerated to a final speed of 380 ms find the total work done on the
we are unable to detect iron via atomic spectroscopy the problem is we have added fe-edta in a formulation for
how many aluminum cans would you have to collect to earn 300 if each can weighs 1875 g and al is worth 800 per
you are driving your car over a circular-shaped bump in the road that has a radius of curvature of 769 mif the car is
a 1300rm kg car coasts on a horizontal road with a speed of 17rm ms after crossing an unpaved sandy stretch of road
a 2007 g sample of a hydrocarbon is combusted to give 1389 g of h2o and 6785 g of co2 what is the empirical formula of
a 2500-kg car moving east at 100 ms collides with a 3000-kg car moving north the cars stick together and move as a unit
nitroglycerine decomposes violently according to the unbalanced chemical equation below what mass of nitrogen gas is
two objects with masses of 370kg and 780kg are connected by a light string that passes over a frictionless
a 321 g iron rod initially at 230c is submerged into an unknown mass of water at 634c in an insulated container the
a coil whose resistance is 60 ohms and one whose resistance is 40 ohms are connected in parallel to a 120-v linea what
if 500 g br2 and 300 g nh3 react according to the equation below what is the maximum mass of ammonium bromide produced3
in a broadway performance an 652-kg actor swings from a 450-m-long cable that is horizontal when he starts at the
for a car moving at speed v the force of air drag on the car is proportional to v2 suppose the power output of the car
write the structural formula and other name of a 2-bromo-33-dimethylhexane b
a box is sliding down an incline tilted at an angle 140deg above horizontal the box is sliding down the incline at a