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OMAR
Questions (4)
a 1500 kg car travelling at 16.7 m/s to the south collides with a 6300 kg truck that is initially at rest at a stop light. the
0 answers
613 views
a car, moving at 100 mi/hr, passes a stationary police car whose siren has a frequency of 500 Hz. what is the frequency change
1 answer
2,863 views
a sound wave has frequency of 631 Hz in air and a wavelength of 0.54m. what is the temperature of the air? assuming the velocity
1 answer
519 views
FIND Y" if Y=ln(sec(x)+tan(x))
1 answer
485 views
Answers (1)
=2/3(4X-2X^2)/2X^2 + 3(3-3X)/3X =(4X^2-2X)/3X^2 + (3-3X)/X =(4X^2-2X+9X-9X^2)/3X^2 = (-5X^2+7X)/3X^2
