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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
the absorbance of a solution of nicl2 of unknown concentration is found to be 0388 what is the concentration of this
two protons are maintained at a separation of 947 nm calculate the electric potential due to the two particles at the
the time rate of pressure change in a container sue to the effusion of a gas out of a pinhole in the walls of the
calculate the relative amounts of 1-chloropropane and 2-chloropane obtained the radical chlorination of
the best reagent or sequence of reagents for carrying out transformation a and transformation b are and respectivelyi
a sample of magnesium sulfate heptahydrate having a mass of 735 g is dried completely how many grams of dry product are
eight open-chain isomeric alcohols have the formula c5h11oha draw the structural formula and write the iupac name for
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 hydrochloric acid solution is standardized using 0500g of sodium carbonate na2co3 find the molarity of the acid if
a reaction involving 93 mg of aniline 122 mg of p-hydroxybenzaldehyde 2 ml of absolute alcohol and a stir bar are