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a 80 g bullet is fired into a 90 kg wood block that is atrest on a wood table the block with the bullet embedded
a tennis ball of mass 570 g is held just above a basketballof mass 590 g with their centers vertically aligned
a 200 n scaffold is held upby a wire at each end the scaffold is 12 m long a 300 n box sits4 m from the left end what
an archer shoots an arrow toward a 300 g target that issliding in her direction at a speed of 350 ms on a
a motorist drives along a straight road at a constant speed of 150ms just as she passes a parked motorcycle police
explain why in the base-catalyzed halogenation of acetone the second and third halogenations occur on the same carbon
a movie star catches a reporter shooting pictures of her at homeshe claims the reporter was trespassing to prove her
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