A car travels 20km at an average speed of 80kmhr and then
A car travels 20km at an average speed of 80km/hr and then stops for 15 mins to get fuel. It then continues on the same direction for another 20 km at an average speed of 40km/hr. What is the average acceleration of the 40km trip.
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europium is a lanthanide element found in parts per billion levels in natural waters it can be measured from the
consider two massless springs connected in series spring 1 has aspring constant k1 and spring 2 has a springconstant k2
a car travels 20km at an average speed of 80kmhr and then stops for 15 mins to get fuel it then continues on the same
using the information a 70 x 10 -3 aqueous solution of caoh2 at 250 degrees c has a ph of at equilibrium what is the
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kb for nh3 is 18 x 10-5 what is the ph of a 035 m aqueous solution of nh4cl at 250 degrees c nh4 aq lt----gtnh3aq h
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