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Transcribed Image Text:Two blocks each of mass m = 3.50 kg are fastened to the top of an elevator as in the figure below.
0ugle DOCS
Chem
(a) If the elevator accelerates upward at 1.6 m/s², find the tensions T, and T, in the upper and lower strings.
T2
(b) If the strings can withstand a maximum tension of 91.0 N, what maximum acceleration can the elevator have before the first string breaks?
m/s2
1.60 m/s
C
m
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SERCP8 4.P.026.SOLN.
MY NOT
A shopper in a supermarket pushes a loaded cart with a horizontal force of 13 N. The cart has a mass of 27 kg.
(a) How far will it move in 4.0 s, starting from rest? (Ignore friction.)
(b) How far will it move in 4.0 s if the shopper places his 30 N child in the cart before he begins to push it?
m
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