Big Boris (90kg) skates backward, 1.0 meter ahead of small skater Sofia (45 kg) , holding her hand as they travel +3.0 m/s . At the 30-second mark, Boris starts pulling Sofia past him, so that by time 32.0 s she is travelling 4.333 m/s along the ice. What was Sofia's average acceleration during this move, relative to the ice? +0.667 m +2.167 "/s² +0.135 ™/s +1.333 ™/g? +1.00 m/s² +2.0 m2

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Chapter1: Units, Trigonometry. And Vectors
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Big Boris (90kg) skates backward, 1.0 meter
ahead of small skater Sofia (45 kg) , holding her
hand as they travel +3.0 /s .
At the 30-second mark, Boris starts pulling Sofia
past him, so that by time 32.0 s she is travelling
4.333 m/s along the ice.
What was Sofia's average acceleration during
this move, relative to the ice?
+0.667 /s²
+2.167 ™/?
+0.135 /s
+1.333 m/2
+1.00 /s²
+2.0 m/g2
Transcribed Image Text:Big Boris (90kg) skates backward, 1.0 meter ahead of small skater Sofia (45 kg) , holding her hand as they travel +3.0 /s . At the 30-second mark, Boris starts pulling Sofia past him, so that by time 32.0 s she is travelling 4.333 m/s along the ice. What was Sofia's average acceleration during this move, relative to the ice? +0.667 /s² +2.167 ™/? +0.135 /s +1.333 m/2 +1.00 /s² +2.0 m/g2
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