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the total length of the blood vessels in the body is roughly 500000 km most of this length is due to the capillaries
after deploying her parachute a skydiver falls through the air with a constant speed of 800 ms as she falls there is
how are chemical and physical changes different what are some demonstrations that you might do to help your students
a body moving with uniform acceleration has a velocity of 189 cms when its x coordinate is 188 cmif its x coordinate
a square hockey table has a side length of s152m on the table pucks slide across a horizontal table with effectively
near the earths surface a compact car of total mass m is driven on a large revolving horizontal disk-shaped platform
in chemical changes new substances are formed do the atoms involved actually change if not what has changed how
a hiker measures the angle of elevation to the top of a cliff as 160o she walks 120 km further away from the cliff on
a 78 g basketball is launched at an angle of 448 and a distance of 159 m from the basketball goal the ball is released
a 00260 kg bullet moving horizontally at 400 ms embeds itself into an initially stationary 0500 kg blockwhat is their
part a find leslies average speed when she runs to the store 14nbspkm away in 24nbspminexpress your answer to two
reactions with little or no activation energy are the least affected by temperature why if the reaction had no
problem here we ponder a few issues related to thermodynamic reversihilityfirrerversihility recall that a process is
fire behavior and combustionwhen pump operators apply pressure to water in pre-connect hose lines there is a limit on
problem the orbital speed of the sun relative to the center of the milky way is about 250 kms by what fraction do the
a high-energy muon was produced in the upper atmosphere 80 km above the sea level 380 mus later a detector at the sea
jimmy is trying to synchronize two clocks on the roof of two buildings the master clock is located at xyz0m 0m 80m the
problem sophia exerts a steady 50-nnbsphorizontal force on a 86-kg nbspbox resting on a lab bench the box slides
a mass m is projected vertically upwards at t 0 from y 0 with initial velocity v0 gt 0 along the y-axis y is upwards
question 1 preparing for a turn a bus slows down an acceleration of -20 ms2 calculate how much time it takes the bus
problem an athlete performing a long jump leaves the ground at a 282 degree angle and lands 767 m awaya what was the
1 evaluate 50000 107380 10-16 report 2 decimals for result2 1400 kg car moving at 70 ms is stopped by action of
suppose the convention were adopted that defines w and w 0 in the first law of thermodynamics to be the work done on
a projectile is launched at an angle of 120deg above the horizontal what is its initial speed if it hits a target that
a soccer player kicks the ball that travels a distance of 450 m on a level field the ball leaves his foot at an initial