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charges of 40 uc and -60uc are placed at two corners of an equilateral triangle with sides of 010m at the third corner
a rocket with a mass of 29times106 kg has a relativistic kinetic energy of 25times1023 jhow fast is the rocket
in a certain electroplating process gold is deposited by using a current of 140 a for 19 minutes a gold ion au has a
a block of aluminum weight 1400 g is cooled from 984 degrees celcius to 622 degrees celcius with the release of 1080 j
the cosmic background radiation permeating the universe has the spectrum of a 27 k thermal radiator what is the peak
a parallel-plate capacitor is made of two flat metal plates pressed against a thin slab of dielectric material the
a wedge with mass rests on a frictionless horizontal table top a block with mass is placed on the wedge the figure a
a flywheel with a radius of 0700m starts from rest and accelerates with a constant angular acceleration of 0900rads2a
in an experiment in physics class a model solid-fueled rocket is fired vertically with an acceleration of 3 msec2 for 6
a certain automobile can decelerate at a1 16 ms2 traveling at a constant v1 29 ms this car comes up behind a car
a 650 kg basketball player jumps vertically and leaves the floor with a velocity of 180 ms upwarda what impulse does
a basketball player has free throws from the foul line the center of the basket is a horizontal distance of 421 m from
a man stands on the roof of a 130 rm m-tall building and throws a rock with a velocity of magnitude 300 rm mrm s at an
a batted baseball leaves the bat at an angle of 300circ above the horizontal and is caught by an outfielder 360 rm ft
coyote is on a rocket that has acceleration of 10ms2 initially at rest at the top of a flat level cliff a roadrunner
a high-speed flywheel in a motor is spinning at 450rpm when a power failure suddenly occurs the flywheel has mass 400kg
a waiter holds two plates of food in one hand hiss forearm has a mass of 22 kg and the center of mass of his forearm is
the electric field between the plates of a paper-separated capacitor is 818times104 the plates are 190 apart and the
a charge of 171 mc is placed at each corner of a square 0170 m on a sidedetermine the magnitude of the force on each
a 3800 kg car travels round an unbanked cornerie a horizontal road at the recommended speed of 65 km h-1 the radius of
an artificial earth satellite has a circular orbit of radius 591 106 m which means it is orbiting approximately -450 km
in a particular rear-end car collision the drivers head rotates 45 degrees backward before being stopped by the
if you wrapped a wire 1000 times around a hollow cylinder that was 10 cm long and forced 40 amps of current through
an electrically neutral charge can be given a net charge by several means does this violate the conservation of charge
humans can detect a difference in sound instensity levels of 10db what is the ratio louder to softer of the sound