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determine what is the final temperature of a mixture of two cups boiling water 100oc and i cup cold water 10 degrees
as part of a safety investigation two 1500 rm kg cars traveling at20 rm ms are crashed into dissimilar barriers
joe and bill are playing tug-o-war joe is pulling with a force of 200 newton bill is simply hanging on but skidding
if the initial velocity of the glider is 05 ms and the final velocity 13 ms then obtain how much energy is loss due to
an object is placed 130 centimeter in front of a convex mirror the image being 710 centimeter behind the mirror a
a a magnet falls through a loop of wire with the south pole entering first as the south pole approaches the loop find
if a bubble in sparkling water accelerates upward at the rate of 0263 ms2 and has a radius of 0694 mm evaluate what is
a hunter shoots an arrow at a deer running directly away from him when the arrow leaves the bow the deer is at a
during an apollo lunar landing mission the command module continued to orbit the moon at an altitude of about 100
a 20 kilogram mass is pulled along a horizontal table by a string attached to 050 kilogram mass that hangs from a
a bomber is in level flight at an altitude pf 1700 m and travelling at a speed of 150msec when it drops a bomb on the
an inflatable bag is located in the dashboard of a car in a collision the bag expands abruptly and cushions the impact
you hold a book in place on a chalkboard by applying a horizontal force find the minimum horizontal force need to keep
one kilowatt an hour kwh is the amount of work or energy generated when one kilowatt power is supplied for a time of
if the mass of a wheel is increased by a factor of 18 and the radius is increased by a factor of19 find by what factor
a potters wheel of radius 021 meter is turned on at t 0 and accelerates uniformly after 89 second the wheel has an
a baseball was hit at 45 ms at an angle of 45o above the horizontal determine how long did it remain in the air
a baseball outfielder throws a 0150 kilogram baseball at a speed of 400 ms and an initial angle of 30 degree find the
in the bohr model the electron is imagined to move in a circular orbit about a stationary proton if the speed of the
find what is the direction of the acceleration of a particle moving at constant speed in a circle what two measurements
if tarzans arms are capable of exerting a force of 1500 newton on the rope find what is the maximum speed he can
a 70 kilogram trunk is pushed 42 meter at constant speed up a 30 degree incline by a constant horizontal force the
at t 0 q0 9 c and i 0 in an lc circuita at the first moment when the energy is shared similarly by the inductor and
a wood block weighing 130n rests on an inclined plane the coefficient of kinetic friction among the block and the plate