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if 0260kg of blood at a temperature of 370 c flows to the surface and loses 1400j of heat what is the
a 45-m long wire is coiled so that it makes a coil containing 100 circular loops one on top of the other if the wire
1 a 200 g object moves in simple harmonic motion such that its amplitude decreases by 15 with each comple oscillationa
white light reflected at perpendicular incidence from a uniform soap film has an interference maximum at 4800 nm and a
it takes 14times106j of heat to bring a quantity of water from 14 c to a boilwhat is the mass of the
wavelengths of light from a distant galaxy are found to be 058 longer than the corresponding wavelengths measured in a
the supersonic aircraft concorde has a length of 627m when sitting on the ground on a typical day when the
two nuclei with the same mass number are known as isobars if the two nuclei have interchanged z and n such as na and mg
a 044-kg mass is hanging from a spring with spring constant 15 nm then the mass is displaced from the equilibrium by 28
when water is boiled under a pressure of 200 atm the heat of vaporization is 220 106 jkg and the boiling point is
two thin lenses with a focal length of magnitude 150cm the first diverging and the second converging are located 113cm
a gas undergoes two processes in the first the volume remains constant at 0200 m3 and the pressure increases from 200
a piano wire with mass 345g and length 850cm is stretched with a tension of 310n a wave with frequency 120hz and
a 100 kg object oscillates at the end of a vertical spring that has a spring constant of 190 104 nm the effect of air
a 180-kg object attached to a spring moves without friction b 0 and is driven by an external force given by the
the amplitude of an oscillator decreases to 687 of its initial value in 300swhat is the value of the time
a pendulum hangs from an inclined wall suppose that this pendulum is released at an initial angle of 10 degrees and it
a horizontal wire of length 043 m carrying a current of 69 a is placed in a uniform external magnetic field when the
a charged particle enters a uniform magnetic field and follows the circular path shown in the drawing the particles
a woman who is late in her pregnancy often leans backwards slightly when getting out of chairs and even while walkinga
calculate the total angular momentum of our moon relative to the center of the earth you may assume that the moon is a
when a rifle is fired the person firing the rifle absorbs the recoil consider an olympic biathlete firing a competition
a patient with thyroid problems has radioactive iodine 123i53 deposited in his thyroid gland if the 123i53 has an
a point mass of 1kg collides elastically with a stationary point mass of 5 kg after collisionthe 1 kg mass reverses its
after 202 days the activity of a sample of an unknown type radioactive material has decreased to 822 of the initial