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a 60kg astronaut is on a space walk away from the shuttle whenthe tether line breaks she is able to throw her 10kg
1- can you explain the differences between elastic collisionand inelastic collesion with some examples2- i dont fully
how can the presense of the intramolecular hydrogen bonding in the single-deprotonated maleic acid lead to differences
venus has a period of revolution of 225 earth days find the distance between the sun and venus as a multiple of earths
when one mole of solid naoh is dissolved in one liter of solution 445 kj of heat are released how much heat is released
two long straight parallel wires of length 45 m carry parallel currents of 31 a and 11aa if the wires are separated by
the missle traveling at 15 ms exploded into parts with mass 6and 14 kg the velocity of the big part increased to 24
you are in charge of regulating the temperature of the swimming pool for the next olympic games the water in the pool
one of the reactions used in this lab actually occurs in two discrete steps shown below what is the overall net
two astronauts comparing lunches one has an apple and the otherhas an orange they decide to trade astronaut 1 tosses
a projectile is fird with an inital speed ofvi20ms at an angle theta30o with the horizontal finda the values of vxi and
a sample of copper sulfate pentahydrate cuso4 5h2o contains 3782 g of cu how many grams of oxygen are in this same
water density 1x103 kgm3 flows at 10 ms through a pipe withradius 0030 m the pipe goes up to the second floor of
a student carried out a simple distillation on a compound known to boil at 124 degree c and reported an observed
a compound contains only carbon hydrogen and oxygen combustion of 730 mg of the compound yields 1068 mg of carbon
at rest a cars horn sounds the note a 440hz the horn is sounded while the car is moving at a velocityv a bicycle is
buffer capacity refers to the amount of acid or base a buffer can absorb without a significant ph change it is governed
two satellites of the same mass are in circular orbits of differentradii above the earths equator satellite a is in a
you are in charge of a cannon that exerts a force 17900 n on a cannon ball while the ball is in the barrel of the
why is it impossible for 100 pure ethanol to be obtained from fractional distillation of the fermentation
what is the longest wavelength of light that can break the o-h bond the bond dissociation energy of an o-h bond is
a polar bear of mass 327 kg stands on an ice floe 129 cm thick what is the minimum area of the floe that will just
a 350g air track cart on a horizontal air track is attached to astring that goes over a pulley with a moment of inertia
12cl2g32f2g rarrclf3gthe bond energies of cl2 and f2 are 242kjmol and 155kjmol respectively calculate the bond energy
a projectile is shot from the surface of earth by means of a verypowerful cannon if the projectile reaches a height of