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a water pipe decreases in diameter from 16 cm to 8 cm in the wider section the average velocity is 300cmscalculate the
a water pipe decreases in diameter from 16 cm to 8 cm in the wider section the average velocity is 300cmsa what is the
a body is thrown vertically upward when it passes a point h above its starting point its velocity is 13 its initial
a woman is reported to have fallen113ft from a building landing on a metal ventilator box which she crushed to a depth
a 220 kg cylinder falls 25m in a joule water heater as the cylinder falls it stirs the water assume that 90 of the
the highest barrier that a projectile can clear is 146 m when the projectile is launched at an angle of 170deg above
bacillus thuringiensis is a bacterium that produces a crystalline poison that is deadly to certain insects what is the
you own a rectangular property measured as 32 plusmn 01 ft by 125 plusmn 4 fta how long must a fence be with expected
10g of steam at 150 degree celcius are added to 90g of liquid water in a 60g copper vessel both of which are at 0
a parallel plate capacitor has a capacitance of 70 microf when filled with a dielectric the area of each plate is 14 m2
two very small spheres are initially neutral and separated by a distance of 060 m suppose that 82 x 1013 electrons are
a bullet is fired through a board 90 cm thick in such a way that the bullets line of motion is perpendicular to the
suppose that you loft the ball with an initial speed of v 162 ms at an angle of 494deg above the horizontal at this
an airplane takes off and flies 225 km on a course of 25 degrees north of west and then changes direction and flies 135
a charge of -29 microc is fixed in place from a horizontal distance of 00275 m a particle of mass 425 10-3 kg and
two charges one twice as large as the other are located 15 apart and experience a repulsive force of 95what is the
a car moves horizontally with a constant acceleration of 3 ms2 a ball is suspended by a string from the ceiling of the
two protons are maintained at a separation of 947 nm calculate the electric potential due to the two particles at the
an airplane pilot wishes to fly due west a wind of 700 kmh is blowing toward the southpart a if the airspeed of the
a girl is standing at the edge of a cliff 145 m above the ground she reaches out over the edge of the cliff and throws
each plate of a parallel-plate capacitor is a square of side 445 cm and the plates are separated by 0545 mm the
the potential difference between the plates of a capacitor is 232 v midway between the plates a proton and an electron
an empty parallel plate capacitor is connected between the terminals of a 944-v battery and charges up the capacitor is
an aluminum rod is 215 cm long at 20degc and has a mass of 350 g if 14000 j of energy is added to the rod by heat what
a 330-g copper coin at 210degc drops 450 m to the ground assume the specific heat of copper is 387 jkg middot degca