Posts by siti
Total # Posts: 8
Review of verb tense(present,past,future) Dianne, Sara, and Emily all (go)__________ to college together twenty years ago. They (have)___________ a wonderful time and (learn)_________ a lot. Now, the three of them (work)__________ at the same insurance company. They (eat)...
January 5, 2016
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
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
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