A car starts 2 x 102 m west of the town square and moves with a...
A car starts 2 x 102 m west of the town square and
moves with a constant velocity of 15 m/s toward the east. Choose a
coordinate system in which the x-axis points east and the origin is
at the town square.
a. Write the equation that represents the motion of the car.
b. Where will the car be 10.0 min later?
c. When will the car reach the town square?
Homework Answers
a. Write the equation that represents the motion of the car.
x = -(2x 102 m) + (15 m/s)t
b. Where will the car be 10.0 min later?
x (at 6.00 x 102 s) = 8800 m
c. When will the car reach the town square?
The time at which x = 0 is given by
t = 2x102 / 15 = 13 s
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