Tuesday

October 21, 2014

October 21, 2014

Total # Posts: 6

**physic**

a car travels east at 89 km/h for 1 hour.it then travels 26 east of north at 141 km/h for another 1 hour. a)what is the average speed for the trip? b)what is the average velocity for the trip?
*September 8, 2014*

**matric**

Let matrix p= [6 -4] 1 0 If where a and b are real numbers, I is a identity matrix and 0 is a null matrix, find a and b.
*December 2, 2012*

**math**

Empirical data suggest thatthe surface area of a 180-cm-tall human body changes at the rate ofsquare meters/kilogram, where W is the weight of the body inkilograms. If the surface area of a 180-cm-tall human body weighing 70 kg is 1.886277 m ,what is the surface area of a ...
*May 21, 2012*

**physics, dynamics**

Car A starts from rest at t = 0 and travels along a straight road with a constant acceleration of 2 m/s2 until it reaches a speed of 27 m/s. Afterwards it maintains this speed. Also, when t = 0, car B located 2000 m down the road is traveling towards A at a constant speed of ...
*January 13, 2011*

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