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determine how much work must be done to stop a 49000 kilogram airplane landing at 250 kmh make sure you input the
a satellite is in circular orbit 230 kilometer above the surface of the earth it is observed to have a period of 89 min
a projectile is launched from a cliff that is 84m tall with an initial speed of 32ms at an angle of 25 degrees above
you are pushing a refrigerator across the floor of your kitchen you exert a horizontal force of 306 n for72 s through
a person has a piece of mass less string of length 06 m with a ball of mass 005 kg at the end of it the person starts
a 300 kg block starts from rest at the top of a 255deg incline and slides 200 m down the incline in 145 s1 discover the
a 271kg block traveling right at 346ms collides with a 580kgblock traveling left at 193msafter the collision the 271kg
1 compute the change in potential energy of an 828-kg man when he takes an elevator from the first floor to 26th floor
a18-kg block is pushed up against a spring whose force constant is650 nm compressing it 51 cm when the block is
a ball bearing is dropped from rest at a point a at the instant it passes a mark 48 m below a another ball bearing is
a ball is allowed to roll from rest down an inclined plane and the distances are marked every 19 s if the second mark
a spherical wave with a wavelength of 166 m is emitted from the origin at one instant of time the phase at r258 m is pi
a rope is stretched with a tension of 259 n the rope is of length 111 m with a mass of 197 g two pulses are formed at
a laser beam enters a 105 cm thick glass window at an angle of 680deg from the normal the index of refraction of the
a 030m radius tire accelerates from rest at a constant 20rads2 over a 50 sec interval what is the tangential component
two square conducting plates 20 cm on a side are separated by 35mm and have a charge of 4 micro coulombs a positive
an airbus a310 is initially moving down the runway at 70 ms preparing for takeoff the pilot pulls on the throttle so
a boxer stops a punch with his head to approximate the force of the blow treat the opponents glove hand and forearm as
the same force that gives the standard one kg mass an acceleration of 100 ms2 acts on a body producing a horizontal
the moment of inertia of a solid cylinder about its axis is given with 05 mr2 if the cylinder rolls without slipping
a shopper in a supermarket pushes a loaded cart with a horizontal force of 8 n the cart has a mass of 33 kga how far
an object with mass 12 kg and speed 30 ms relative to an observer explodes into two pieces one 3 times as massive as
the emission spectrum of one electron atoms in the bohr model that assumes that the atom remains at rest through the
explain four experiments in which em radiation is exhibiting a particle like nature and this particle like nature also
a what is the total random kinetic energy of all the molecules in one mole of argon at a temperature of 340 kb with