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a bodybuilder configures a leg-press apparatus to a resistance of 230 lb about 1000n she pushes the weight to her full
romeo tosses a pebble at juliets window to wake her unfortunately he throws too large a pebble too fast justbefore
in determining the specific heat of a new metal alloy 150g ofthe substance is heated to 400c and then placed in a 200g
the shielding of electrons gives rise to an effective nuclear charge z eff which explains why boron is larger than
two blocks connected by a rod going down a 300 degree slope bigger mass 330kg is first and the smaller 165kg is
a source emits sound uniformly in all directions a radialline is drawn from this source on this line determine the
calculate the least velocity of projection required to give amissile a horizontal displacement of 500m if the angle
why would any line in the hydrogen spectrum between 250nm and 70nm belong to the balmer
it is desired to magnify reading materal by a factor of 25xwhen a book is placed 80 cm behind a lensa draw a ray
a 003 kg bullet hits asteel plate and melts and splatters on impact assuming thatthe bullet recieves 80 of the
why acetone has significantly high refractive index when a mixture of acetone and water is
a rifle bullet with mass 800 g strikes and embeds itself in ablock with mass 0992 kg that rests on a frictionless
chlorine is more reactive than bromine bromine can be prepared by adding chlorine to an aqueous solution of sodium
imagine that instead of going across the river as in the simulation the boat first travels directly downstream for a
at the intersection of texas avenue and university drive ablue subcompact car with mass 950 kg traveling east on
two ice skaters daniel mass 650 kg and rebecca mass 450kg are practicing daniel stops to tie his shoelace andwhile at
the reactant concentration in a zero-order reaction was 0100 m after 130 s and 250times10-2 m after 325s the rate
a baseball m140g traveling 32ms moves a fielders glovebackward 25cm when the ball is caught what was the average force
a spring is stretched between two posts when a pulse is produced at one end of the spring it makes 4 back-and-forth
the cable supporting a 1950 kg elevator has a maximum strength of21920 n what maximum upwardacceleration can it give
a parallel-plate capacitor is charged to a potential difference of 12 v the area on each plate is 20 cm2 and the
sulfuric acid in water dissociates completely into h and hso4- ions the hso4- ion dissociates to a limited extent into
a 70kg base runner begins his slide into second base whenmoving at a speed of 40 ms the coefficient of frictionbetween
a skiy diver with parachute unopened falls 625 m in 150s then she opens her parachute and falls another 356 m in142 s
ribonuclease s has 8 cysteines which make 4 disulfide bridges total how many ways can 8 cysteines form disulfide