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a box of cheerios mass mc 18 kg and a box of wheaties mass mw 25 kg are accelerated across a horizontal surface by a
a heart defibrillator is charged to 350v it is connected to a patients chest and allowed to discharge through the heart
a tortoise and hare start from rest and have a race as the race begins both accelerate forward the hare accelerates
if 80 btu of heat energy are added to 2 lb of water at 40 f what will be the final temperature of the
an ac generator has a frequency of 65 khz and a voltage of 40 v when an inductor is connected between the terminals of
a pendulum consisting of a ball of mass m hanging from a massless rope is dropped from a height h it collides with a
a rod length 80 cm with a rectangular cross section 15 mm 20 mm has a resistance of 020 what is the resistivity of
the secondary coil of a step-up transformer provides the voltage that operates an electrostatic air filter the turns
my refrigerator has cop of 500 its power input is 615w a sample of mass of water is 500 g and temp of 20c is placed
a1 200-nuniformboom at f 5 65deg to the horizon- tal is supported by a cable at an angle u 5 250deg to the horizontal
a beam of neutrons with a kinetic energy of 24x10-4ev falls on a slit of width 10-4m what will be the angular spread of
a car of mass m is on a frictionless roller coaster track the car starts at a height h and then travels down its first
a red ball is thrown down with an initial speed of 11 ms from a height of 290 meters above the ground then 06 seconds
a blue ball is thrown upward with an initial speed of 228 ms from a height of 09 meters above the ground 28 seconds
a solenoid with a cross-sectional area of 197times103 is 0810 long and has 480 turns per meterfind the magnitude of
the volume of an ideal gas is adiabatically reduced from a volume of 200 l to a volume of 743 l the initial pressure
a baseball is projected horizontally with an initial speed of 245 ms from a height of 219 m at what horizontal distance
a boy in a wheelchair total mass 510 kg has speed 140 ms at the crest of a slope 240 m high and 124 m long at the
in a crash test a test car of mass 1711 kg is moving at a speed of 372 ms when it crashes into a wall if the car comes
the position of a particle moving along the x amis by x6t2 -1t3 where x is in meters and t in secconds what is the
a bullet is fired through a board 14 cm thick with a line of motion perpendicular to the face of the board if it enters
a mass of 7 kg lies on a frictionless horizontal floor a force of 110 newtons is applied to the mass at an angle above
two masses are connected as in the figure where 400deg m113 kg and the coefficient of kinetic friction between the m27
a11-g coin slides upward on a surface that is inclined at an angle of13degabove the horizontal the coefficient of
a 34-cm-diameter circle lies in the xy-plane in a region where the electric field is e1300i 1300j 1300k nc what is