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a uniform stick d 1 m long with a total mass of 249 g is suspended vertically from a frictionless pivot at its top end
fig 23-1 shows equipotentials surrounding a pair of charges qa and qb the value of the potential half-way between the
a wire loop with an area of 30times102 is in a magnetic field of 023 directed at a angle 30 to the plane of the loop if
an object at rest in a coordinate frame suddenly explodes into three parts of equal mass m two parts move away at right
the mass of an electron is 91110-31kg what is the mass of one negative coulomb electron1 56910-12kg254810-7note show
realistic ballistic penduluma uniform stick d 1 m long with a total mass of 249 g is suspended vertically from a
the bulk modulus for helium is 101x105 nm2 and its density is 0179 kgm3 how many times the speed of sound in air 331ms
a particle falls in earths gravity the force of air resistance is f v1 v2 where v1 is the velocity v2 is the speed and
negative charge -q is distributed uniformly around a quarter-circle of radius a that lies in the first quadrant with
experimenters at the national institute of standards and technology have made precise measurements of the speed of
a non-uniform but spherically symmetric distribution of charge has a charge density pr given byprp0 1-rr for r lt or
a light plane mass m makes an emergency landing on a short runway with its engine off it lands at speed v0 a hook on
a prospector finds a solid rock composed of granite 2650 kgm3and gold the volume of the rock is330multiplied
you are driving with a friend who is sitting to the right of you in the passenger seat you would like to get closer to
you are called as an expert witness in the trial of a trafficviolation the facts are these a driver slammed on his
an electron with mass 911times10-31 kg moves with a speed of 190times106 ms in a circle of 263 cm radius under the
a parachutist relies on air resistance mainly on her parachute to decrease her downward velocity she and her parachute
1 in example problem 12-2 what would the magnitude of the force of elbow be if the mass of the weight was 700 kg5707
when a large star becomes a supernova its core may be compressed so tightly that it becomes a neutron star with a
a stuntman drives a car over the top of a hill the cross section of which can be approximated by a circle of radius r
a small object is 10 cm to the left of a converging lens f 5 cm and a second diverging lens f -33 cm is 58 cm to the
a solid cylindrical disk is to be used as a stabilizer in a ship by using a massive disk rotating in the hold of the
in 1915 henry sincosky of philadelphia suspended himself from a rafter by gripping the rafter with the thumb of each
a grating has 600 rulings per mm and is 60 mm widea what is the smallest wavelenght interval that can be resolved in