1. A car enters a 25-m intersection travelling with a velocity 5 m/s in the west direction. When it clears the intersection (after it covers the 25-m), it is travelling with a velocity of 10 m/s still in the west direction. What is the acceleration of the car? Assume that east is in the positive x-axis and west is in the negative x-axis. a. The acceleration is -9.81 m/s. b. The acceleration is -1.5 m/s². The acceleration is +1.5 m/s². C. d. The acceleration is +3.0 m/s². e. The acceleration cannot be determined.
1. A car enters a 25-m intersection travelling with a velocity 5 m/s in the west direction. When it clears the intersection (after it covers the 25-m), it is travelling with a velocity of 10 m/s still in the west direction. What is the acceleration of the car? Assume that east is in the positive x-axis and west is in the negative x-axis. a. The acceleration is -9.81 m/s. b. The acceleration is -1.5 m/s². The acceleration is +1.5 m/s². C. d. The acceleration is +3.0 m/s². e. The acceleration cannot be determined.
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c. The acceleration is +1.5 m/s².
d. The acceleration is +3.0 m/s².
e. The acceleration cannot be determined.
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Multiple Choice Questions
1. A car enters a 25-m intersection travelling with a velocity 5 m/s in the west
direction. When it clears the intersection (after it covers the 25-m), it is travelling
with a velocity of 10 m/s still in the west direction. What is the acceleration of the
car? Assume that east is in the positive x-axis and west is in the negative x-axis.
a. The acceleration is -9.81 m/s.
b. The acceleration is -1.5 m/s².
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