Question

20125982 ANALYZE (A) Determine how the velocity varles for positive acceleration and initial velocity to the right. The acceleration vs. time plot for constant acceleration is a straight line parallel to the time axls. It lles above the origin for acceleratlon to the right. During the acceleration, the velocity Increases by 1.6 m/s each second, so the velocity vs. time graph is a line with a slope of 1.6 m/s per second, and X m/s )+1.6 m/s2)t. The car starts moving to the right and its speed to the right simply continues to increase. (8) Determine how the velocity varies for velocity Initially to the right and with constant acceleration to the left. In this case the velocity is initialy positive but its value decreases by 1.6 m/s for each second that passes. Because the acceleration is to the left, it is negative. The velocity vs. time graph satisfies the equation m/s) + (-1.6 m/s?) The car moves initially to the right and while it moves its velocity keeps decreasing. Eventually, its through zero and thereafter the car is backing up with increasing speed. velocity passes FINALIZE eck whether this description of motion is consistent with the graphs shown in the is an acceleration that causes an object to slow down. Would it be consistent with our sign conventions to O Yes O No define deceleration instead as "negative acceleration?" ed Help? Talk to a Tutor

Answer 1

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