For no apparent reason, a poodle is running at a constant speed of 5.90 m/s in a

Question

For no apparent reason, a poodle is running at a constant speed of 5.90 m/s in a circle with radius 2.3m.

For delta t= 0.4s calculate the magnitude (to four significant figures) of the average acceleration. ____m/s^2

For delta t= 0.4s calculate the direction (relative to v
1) of the average acceleration. ____degrees

For delta t= 0.3s calculate the magnitude (to four significant figures) of the average acceleration. ____m/s^2

For delta t= 0.3s calculate the direction (relative to v 1) of the average acceleration. ____degrees

For delta t= 8*10^-2s calculate the magnitude (to four significant figures) of the average acceleration. ____m/s^2

For t= 8*10^-2s calculate the direction (relative to v 1) of the average acceleration. ____degrees

Explanation / Answer

average acc = v^2/r = 5.9*5.9/2.3 = 15.1347 m/s^2

perpendicular to the direction of velocity

average acc = v^2/r = 5.9*5.9/2.3 = 15.1347 m/s^2

perpendicular to the direction of velocity

average acc = v^2/r = 5.9*5.9/2.3 = 15.1347 m/s^2

perpendicular to the direction of velocity

thje velocity and acceleration are perpendicular to each other at every instant so the acceleration is conatant and pointing in the direction of radius at all instants and the velocity is in the direction of tangetn of the circle a each point

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