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what fraction of energy will be lost when a moving cart of mass m inelastically collides with a stationary cart of mass
two cars with different masses are taking a left turn in a flat road which of those cars will experience a bigger a
radar uses radio waves of a wavelength ofnbsp23m the time interval for one radiation pulse is 100 times larger than the
discuss the differences between nonionizing radiation and ionizing radiation describe common sources of exposure
a toaster rated at 1 050 w operates on a 120-v household circuit and has a 400-m length of nichrome wire as its heating
consider an ensemble consisting of five distinguishable eg different colored dicea what is the total number of
explain why the leds are made of many compound semiconductors but not the column iv elemental semiconductors to
a body weighs 50 grams in air and 40 grams in water how much would it weigh in a liquid of specific gravity 15anbsp30
a body of mass 4 kg is accelerated upon by a constant force travels a distance of 5 m in the first second and a
a boat has green light of wavelengthnbsplnbsp 500 nm on the mast what wavelength would be measured and what colour
a battery of emf e has an internal resistance r a variable resistance r is connected to the terminals of the battery a
two beams of red and violet colours are made to pass separately through a prism of a 60deg in the minimum deviation
in the bohr model of the hydrogen atom an electron in the lowest energynbspstate moves at a speed of 219x106 ms in a
two motorcycle cops are positioned together on i35s each is capable of a maximum speed of 219 kmhr they start from rest
here are two long parallel straight wires carrying identical currents and separated by a distance of 2a integrate
1suppose you have a random variable that is uniformly distributed between 3 and 27 nbspwhat is the expected value for
1 a random number generator selects a sequence of 20 digits from 0 1 9 what is the probability 2 that the sequence
a ternary word is a word formed from the alphabet p 0 1 2 considerthe set of all ternary words of length n if such a
find an equation of the line which passes through the point 123nbspand is parallel to the linenbsp xyz 111
part anbspnbsp make sure you answer all parts of this question and show your reasoning for each partnbspcalculate
an application of spectra produced by diffraction grating is in astrophysics where the doppler shift of a particular
a sample of potassium metal in vacuum is illuminated by a light source as shown above the photoelectrons ie electrons
a 210kg block at rest on a horizontal frictionless air track is connected to the wall via a spring the equilibrium
a 44-n crate is suspended from the left end of a plank the plank weighs 21 n but it is not uniform so its center of
what is the amplitude of this wavewhat is the wavelength of this wavewhat is the frequency of this