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a rock is dropped from a tree of height 24 m into a lake depth 60 m below after entering the water the rock floats
an object of mass 170 kg subjected to a non-zero net force moves with an acceleration of 26 ms2a determine the net
a doubly charged ion is accelerated to an energy of 340 kev by the electric field between two parallel conducting
question 1the half-life of carbon-14 is 5730 years a fossil that is 22920years old would have what amount of the normal
most plants have a vascular system and a sporophyte that is much larger than the gametophyte how have these features
a car travels for 331 km south then west for 94 km and finally 75 km in a direction 735 deg east of north find the
1 suppose a person has spinal cord damage at the cervical levelnbsp would this stop the knee-jerk reflexnbsp how would
a rocket reaches low earth orbit of 300km above ground in 6 minutes estimate average acceleration of the rocket if the
the seconds hand on a certain clock is 158 cm long what is the tangential speed in cms of the tip of this
the speed of a bicyclist that is riding in the direction of the wind is 76 kmh relative to the wind if the speed of the
recent work has found a great deal of non synonymous variation in nav14a alleles among electrogenic species in both
a bare helium nucleus has two positive charges and a mass of 664 10-27 kga calculate its kinetic energy in joules at
spinal cord damge interrupts descending motor tracts that act to suppress the activity of th spinal motor neuronsnbsp
what is the relation between the standard deviation and the precision of a procedure what is the relation between
explain why the re-polarization phase of the myocardialaction potential correlates with the beginning of diastole also
four identical springs are used as part of a cars suspension system one on each wheel the springs compress by 8cm when
1 will heat and light have an effect on growing mold explain your answer2 which has more chemical energy 5 molecules of
how much water would be needed to completely dissolve 166 of the gas at a pressure of 700 and a temperature of 10 kh of
a transverse wave propagates in the positive x-axis with a wavelength of 03m and a period of 0001sa what is the
1 a sample of hydrogen effuses through a porous container about 9 times faster than that of an unknown gas estimate the
a mercedes-benz 300sl m 1800 kg is parked on a road that rises 10deg above the horizontala what is the magnitude of
question 1 system of linear equationssolve the following system of linear equations by using determinant methodquestion
a 560 kg crate rests on a level floor at a shipping dock the coefficients of static and kinetic friction are 0790 and
a fruit flies that are trisomic for chromosome 2 are usually inviable and dont survive beyond early embryo genesis
a rollercoaster with passengers has a mass of 2500 kg this rollercoaster is powered to the top of a 25 m hill where it