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a major leaguer hits a baseball so that it leaves the bat at a speed of 320 and at an angle of 369 above the horizontal
a crate resting on a rough horizontal floor is to be moved horizontally the coefficient of static friction is 040 to
a worker on the roof of a house drops his 055 kg hammer which slides down the roof at constant speed of 493ms the roof
a charge of 455 mc is placed at each corner of a square 0100 m on a sidea determine the magnitude of the force on each
a positive charge of 420 c is fixed in place from a distance of 350 cm a particle of mass 620 g and charge 400 c is
the position of an object as a function of time is vectorr32t 18t2i 17t - 24t2j meters where t is the time in
in a tv set an electron beam moves with horizontal velocity of 31times107 ms across the cathode ray tube and strikes
suppose a car is traveling at 193 ms and the driver sees a traffic light turn red after 0406 s has elapsed the reaction
consider a cylinder of volume v10cm3 that contains an ideal gas the temperature along the cylinder varies linearly from
part 1 question 1a outline the quantum confinement effects in quantum wellsb outline the density of states for 3d 2d
a carpenter tosses a shingle horizontally off an 88m--high roof at 80msa how long does it take the shingle to reach the
a projectile is fired from point 0 at the edge of a cliff with initial velocity components of v0x60 ms and v0y175 ms as
an electric vehicle starts from rest and accelerates at a rate of 18 ms2 in a straight line until it reaches a speed of
a physics book slides of a horizontal tabletop wit a speed of110ms it strikes the floor in 350s ignore air resistancea
on days of fair weather the atmospheric electric field of the earth is about 116 nc this field points vertically
the electric potential at a position located a distance of 207 mm from a positive point charge of 750times10-9c and 103
to recharge a 150 v battery a battery charger must move 363times105 c of charge from the negative terminal to the
a uniform electric field exists in a region between two oppositely charged plates an electron is released from rest at
the record distance in the sport of throwing cowpats is 811 m this record toss was set by steve urner of the united
a projectile is fired in such a way that its horizontal range is equal to 12 times its maximum height what is the angle
a playground is on the flat roof of a city school 53 m above the street below see figure the vertical wall of the
a student stands at the edge of a cliff and throws a stone horizontally over the edge with a speed of 140 ms the cliff
a parachutist falls 500 m without friction when the parachute opens he slows down at a rate of 35 ms2 if he reaches the
a rock falls off the back bumper of a truck which is traveling at 268 ms the rock hits the ground 0387 seconds after it
a man lifts a 27-kg stone vertically with his hand at a constant upward acceleration of 17 ms2 what is the magnitude of