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when it is burned 1 gallon of gasoline produces 130times108 of energy a 1300 car accelerates from rest to 360 in 100
a car with a total mass of 165103 kg has wheels ofradius 350 cm and moment ofinertia 0760 kg middotm2 suppose that the
a wooden block is cut into two pieces one with three timesthe mass of the other a depression is made in both faces
an object experiencing a constant force accelerates at12 mswhat will the acceleration of this object be if the force
a child on a sled starts from rest at the top of a 150deg slope if the trip to the bottom takes 173 s how long is the
an object of mass 0550 kg is lifted from the f loor to aheight of 350 m at a constant speedhow much work is done by the
a 720-kg man is riding an escalatorin a shopping mall the escalator moves the man at a constantvelocity from ground
a person who is 17 m tall throws a ball with a speed of 4 ms atan angle of 31 degrees above the horizontal what are the
stuart the student iscleaning out his desk after finals he opens the hinged lid onhis trash can by exerting a force
two capacitors are connected to a battery the battery voltageis v 80 v and the capacitancesare c1 200 mufand c2 400
a 145 g baseball is dropped from a tree 110 m above the grounda with what speed would it hit the ground if
a bullet of mass 10g strikes a ballistic pendulum of mass 20kg the center of mass of the pendulum rises a
an object has a kinetic energy of 265 j and a momentum of magnitude209 kgmiddotms find the speed and the mass of the
a wheel rotating about afixed axis through its center has a constant angular accelerationof 99 rads2 in a certain 70 s
a liquid is used to make a mercury-type barometer the barometer is intended for spacefaring astronauts at the surface
in an rlc series circuit the phase angle between thecurrent and voltages is 30 degrees if the ac frequencydoubles what
in an rlc series circuit the capacitive reactance is 24omega if the ac frequency doubles what will be theresulting
a neutron collides elastically with a helium nucleusat restinitially whose mass is four times that of the neutron the
what is the final temperature reached by the addition of 114 grams of steam at 100degc to 681 grams of water at 25degc
objects with masses of 135 kg anda 435 kg are separated by 0430 ma find the net gravitational force exerted bythese
a compact disk player has just been turned off a disk decelerates uniformly from an initial angular velocity of 755
the motor in a refrigerator has a power of 300 w if the freezing compartment is at267 k and the outside air is at 300
a microwave transmitter emits electromagnetic waves of a singlewavelength the maximum electric field 122 km from the
a 350-mh inductor has a reactanceof 150 komegaa what is the frequency of the ac current that passes through the
a person of mass m is standing at the edge of a large rotatingdisk the disk is rotating without friction and has