A particle of mass m moves along the a axis. Its position varies with time according to x = (9 m/s³) t3+ (-4 m/s²) ². What is the work done by the force from t = 0 tot = t₁ ? W = mt² [(225) t 2. W = 18mt² [(4) ² 3. W = 18 mt² [(9) ² 4. W-m [729 m/s²) = +(-480) +₁ +(256)] +(-12)t₁ + (9)] +(-12)+(4)] +(-432 m/s5) ti + (64 m/s*)]

Physics for Scientists and Engineers, Technology Update (No access codes included)
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Chapter7: Energy Of A System
Section: Chapter Questions
Problem 7.14P: The force acting on a panicle varies as shown in Figure la P7.14. Find the work done by the force on...
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A particle of mass m moves along the a
axis. Its position varies with time according
to x = (9 m/s³) t3+ (-4 m/s²) 1².
What is the work done by the force from
t = 0 tot = t₁ ?
W = mt² [(225) t
2.
W = 18mt² [(4) ²
3.
W = 18 mt² [(9) ²
4.
W-m [729 m/s²)
=
+(-480) +₁ +(256)]
+(-12)t₁ + (9)]
+(-12)+(4)]
+(-432 m/s5) t₁ + (64 m/s*)]
Transcribed Image Text:A particle of mass m moves along the a axis. Its position varies with time according to x = (9 m/s³) t3+ (-4 m/s²) 1². What is the work done by the force from t = 0 tot = t₁ ? W = mt² [(225) t 2. W = 18mt² [(4) ² 3. W = 18 mt² [(9) ² 4. W-m [729 m/s²) = +(-480) +₁ +(256)] +(-12)t₁ + (9)] +(-12)+(4)] +(-432 m/s5) t₁ + (64 m/s*)]
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