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skateboard with a mass of 3kg is moving at a speed of 5 ms on a level surface it encounters a hill and rolls up until
assume that you have two objects one with a mass of 10 kg and the other with a mass of 18 kg each with a charge of 0017
an electric stove burner with 35-ohm resistance consumes 15 kw of power at what voltage does it
a loop of wire of area 2 m2 is placed with its plane perpendicular to a magnetic field of 3 t if in 2 seconds the loop
for t lt 0 an object of mass m experiences no force and moves in the positive x direction with a constant speed vi
a moon orbits a planet of unknown mass with a period of 18 days if the radius of the moons orbit is 420000000 meters
during apollo 14 alan shepherd hit a golf ball on the moon if he hit the ball at an angle of 15deg and an initial
communications satellites are placed in a circular orbit where they stay directly over a fixed point on the equator as
a loaded penguin sled weighing 88 n rests on a plane inclined at angle 18deg to the horizontal see the figure between
microbiologists measure total current due to potassium ions k moving through a cell membrane of a rock crab neuron
the figure shows a photo of a swing ride at an amusement park the structure consists of a horizontal rotating circular
a setup similar to the one shown in the figure below is often used in hospitals to support and apply a horizontal
a 21-m-tall 90-cm-diameter concrete column supports a 40times105kg load by how much is the column compressed answer in
a combination lock has a 15cm -diameter knob that is part of the dial you turn to unlock the lock to turn that knob you
two people initially separated by 75 m move toward each other one with a speed of 3 ms and the other with a speed of 5
a bug sits on the edge of a spinning wheel of radius 2m which is rotating counter clockwise at a rate of 6 radsec and
consider an isolated metallic sphere of radius r and another isolated metallic sphere of radius 3r if both spheres are
now you are playing with your bestfriends favorite toy a ball on a string the balls mass is 3kg and the string is 11 m
a runner makes one lap around a track in 680s the track is oval has two straight 100m stretches with a semicircular
at the paris auto show this week a concept car by lamborghini called sesto elemento sixth element was being shown it
a system has a heat source supplying heat at a rate of 149 w and is doing work at a rate of 1043 w at what rate is the
the nucleus of a 125xe atom an isotope of the element xenon with mass 125 u is 60 fm in diameter it has 54 protons and
at the bow of a ship on a stormy sea a crewman conducts an experiment by standing on a bathroom scale in calm waters
a boat has a mass of 6800 kg its engines generate a drive force of 4100 n due north while the wind exerts a force of
a sprinter accelerates from rest to a top speed with an acceleration whose magnitude is 353 ms2 after achieving top