بوابة الثانوية العامة المصرية

بوابة الثانوية العامة المصرية (https://www.thanwya.com/vb/index.php)

- الفيزياء 1 ث لغات (https://www.thanwya.com/vb/forumdisplay.php?f=427)

- - Advanced Problem 3 (https://www.thanwya.com/vb/showthread.php?t=310995)

hatemT

27-04-2011 06:28 AM

Advanced Problem 3

Which of the following is true
a)If a car is traveling eastward its acceleration is eastward.
b) If a car is slowing down, its acceleration must be negative.
c) A particle with constant acceleration can never stop and stay stopped.

Asa7be Wawa

27-04-2011 05:18 PM

Answer is B

hatemT

27-04-2011 11:28 PM

Wrong I'll giev you another chance , before Answering
Try Again
CONCENTRATE

hatemT

27-04-2011 11:35 PM

The driver of a car slams on the brakes when he sees a tree blocking the road. The car slows uniformly with an acceleration of 5.60 m/s2 for 4.20 s, making straight skid marks 62.4 m long ending at the tree.
With what speed does the car then strike the tree?

BaSiL NaSR

12-01-2012 06:15 AM

Hi i think they are all true

kimo_medo2008

28-03-2012 12:42 AM

Answer is b , c

c.ronaldo122

06-12-2013 07:52 AM

Answer is B

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