Physics 1A
January 27th 2010
Midterm # 1
Name:
Discussion Section:
1)
A car starts to turn on a curve of radius R with constant tangential acceleration
a
.
At the beginning of the turn the initial velocity of the car is v
0
. Calculate a) the
time at which the centripetal acceleration is equal in magnitude to the tangential
acceleration and b) the distance traveled by the car from the moment when it
started to turn. (Numerical data: R=9m,
a
=1m/s
2
, v
0
=1m/s).

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