A lamp hangs vertically from a cord in a descending elevator that decelerates at 2.5 m/s². (a) If the tension in the cord is 51 N, what is the lamp's mass? (b) What is the cord's tension when the elevator ascends with an upward acceleration of 2.5 m/s²? (a) Number i (b) Number i Units Units ✪
A lamp hangs vertically from a cord in a descending elevator that decelerates at 2.5 m/s². (a) If the tension in the cord is 51 N, what is the lamp's mass? (b) What is the cord's tension when the elevator ascends with an upward acceleration of 2.5 m/s²? (a) Number i (b) Number i Units Units ✪
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Transcribed Image Text:A lamp hangs vertically from a cord in a descending elevator that decelerates at 2.5 m/s². (a) If the tension in the
cord is 51 N, what is the lamp's mass? (b) What is the cord's tension when the elevator ascends with an upward
acceleration of 2.5 m/s²?
(a) Number i
(b) Number
Units
Units
<>
Transcribed Image Text:The figure shows two blocks connected by a cord (of negligible mass) that passes over a frictionless pulley (also
of negligible mass). The arrangement is known as Atwood's machine. Block 1 has mass m₁ = 0.6 kg; block 2 has
mass m₂ = 2.6 kg. What are (a) the magnitude of the blocks' acceleration and (b) the tension in the cord?
(a) Number i
(b) Number
m1
Units
Units
mq
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