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a 163 kilograms block rests on a horizontal table and is attached to one end of a mass less horizontal spring by
two point charges are fixed in space along the x-axis the first charge of 38 c is located at x - 45 cm while the
each of the protons in a particle beam has a kinetic energy of 305 x 10-15 joule find what are the magnitude and
the coefficient of static friction among richards hand and his tennis racket is 051 how hard must he squeeze if he
the flow rate of blood through a 21 x 10-6 meter radius capillary is 353 x 10-9 cm3s compute what is the speed of blood
write down all the physical principles about resistances and currents in simple circuits containing resistors also
a clever physics professor designs a cat-cannon and uses it to launch a 5 kilogram cat horizontally off the top of the
draw a labelled diagram of two resistors in parallel which are then connected in series by a third resistor compute the
a water wave oscillates up and down once every 150 s the distance between wave crests is 185 meter compute what speed
a the dielectric strength of air e 3 x 106 vm is the maximum field that air can withstand before it breaks down and
location a is 275 m to the right of a point charge q location b lies on the same line and is 435 m to the right of the
an immersion heater must increase the temperature of 150 kilogram of water from 10oc to 15oc in 10 minute while
if 245 x 10-4 joule of work are required to move 292 c of charge from one point to another obtain the electric
a charge of q 707 icircfrac14c is placed in an electric field the x and y components of the electric field are ex
two long parallel wires carry currents of 357 amp and 477 amp the magnitude of the force per unit length acting on each
a mass of 025 kilogram hanging from a spring with a spring constant of 25 nm is set into an up-and-down simple harmonic
the nucleus of 8be which consists of 4 neutrons and 4 protons is very unstable and spontaneously breaks into two alpha
a 540 nc point charge is on the x axis at x 125 meter a second point charge q is on the x axis at -0625 metera find
the speed of an alpha particle is determined to be 255e6 ms if all of its kinetic energy is acquired by passing through
a 71 nc charge is placed 17 meter from a 43 nc charge obtain the magnitude of the electrostatic force that one charge
a 780 grams bullet moving at 690 ms penetrates a tree trunk to a depth of 640 centimetera use work and energy
a mass of 073 kilogram attached to a spring with a spring constant of 43 nm is set into simple harmonic motion find the
a proposed ocean thermal-energy conversion otec system is a heat engine that would operate between warm water
a 004 kilogram lead bullet traveling 209 meter per second strikes an armor plate and comes to a stop if all of the
a bottle containing 9 kilogram of water at a temperature of 15degc is located in a refrigerator where the temperature