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two identical gliders on an air track are held together by a piece of string compressing a spring between the gliders
a bmw of mass 20 x 103 kilogram is traveling at 42 ms it approaches a 10 x 103 kilogram volkswagen going 25 ms in the
a rocket is launched vertically upward from earths surface at a speed of 51 kms determine what is its maximum
catapult launches rocket 530o above the horizon at 100 msthe rocket immediately starts a burn and for 300 second the
an 800 kilogram mass moving east at 144 ms on a frictionless horizontal surface collides with a 100 kilogram object
in 20 minutes a ski lift raises four skiers at constant speed to a height of 130 meter the average mass of each skier
a skier is gliding along at 3 ms on horizontal frictionless now he suddenly starts down a 10o incline his speed at the
starting from the top and at rest a block slides down an inclined plane and has a velocity of 145 ms at the bottom the
a 41 kilogram block is dropped onto a spring of spring constant 2014 nm from a height of 1500 centimeter determine the
a roller coaster car crosses the top of a circular loop-the-loop at twice the critical speed find the ratio of the car
a concave mirror has a radius of curvature of 55 centimetera find the object position for which the resulting image is
a machine gun is attached to a railroad car that is free to roll on a frictionless track if the railroad car of mass
a harmonic signal with a frequency of 1000 hertz and an amplitude of 2 v is displayed on the oscilloscope find what
a resistor has a color coded value of 1500 ohms if possible error on the color coded value is 5 percent find the
when a 260 g mass is hung from a vertical spring the new equilibrium position moves down by 835 millimeter the position
a car delivers 30 hp to its wheels when moving at a constant speed of 22 ms calculate what is the total resistance drag
the record speed for a tennis ball served is 7314 ms during the serve the ball typically starts from rest and is in
if you stand next to a wall on a frictionless skateboard and push the wall with of force of 30 newtons determined how
the potential energy of a object constrained to the x axis is given by ux3x2nbsp- 2x3nbsp where u is in joules and x is
a dentist uses a mirror to examine a tooth that is 075 centimeter in front of the mirror the image of the too this
find how much energy is required to move a 1000 kilogram object from the earth surface to an altitude twice the earth
a solenoid has a 3 cm x 3 cm square cross section 1800 turns a length of 75 centimeter and carries a 12 amp current
a mass is attached to a 25nm spring when the system oscillates the frequency of 20 hz evaluate what is the
a satellite of the earth has a mass of 100 kilogram and is at an altitude of 200 x 106 ma find the potential energy of
a 31 kilogram girl is bouncing on a trampoline during a certain interval after she leaves the surface of the trampoline