7 Given the following ideal Atwood machine in an elevator accelerating down at a, = 4.9 m/s², with m, = 10 gram (two nickels) and m2 = 5 gram (one nickel) as shown, what is the tension T in the string in millinewton (mN)? (Hint: the upward arrow on ag is correct and just means use "positive is up" conventions for the elevator itself; so here we have a = -4.9 m/s2 to be put into Einstein's rule that we discussed.) a = 4.9 m/s? down a m2 m m, g near Earth (g = 9.8 m/s?) Type your answer.

Inquiry into Physics
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Chapter3: Energy And Conservation Laws
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7
Given the following ideal Atwood machine in an elevator accelerating down at a = 4.9 m/s?, with m, = 10 gram (two nickels) and m, = 5 gram (one nickel) as shown, what is the
tension Tin the string in millinewton (mN)? (Hint: the upward arrow on a. is correct and just means use "positive is up" conventions for the elevator itself; so here we have a. =
-4.9 m/s2 to be put into Einstein's rule that we discussed.)
a =
4.9 m/s? down
e
a
T
m,g
m
m, g
near Earth (g = 9.8 m/s?)
Type your answer.
8
Exact same Atwood machine as the previous problem (two nickels and a nickel in an elevator accelerating down at 4.9 m/s2), but now how much time (s) does it take m1, starting
from rest, to fall 25 cm relative to the inside of the elevator?
Type your answer.
Transcribed Image Text:7 Given the following ideal Atwood machine in an elevator accelerating down at a = 4.9 m/s?, with m, = 10 gram (two nickels) and m, = 5 gram (one nickel) as shown, what is the tension Tin the string in millinewton (mN)? (Hint: the upward arrow on a. is correct and just means use "positive is up" conventions for the elevator itself; so here we have a. = -4.9 m/s2 to be put into Einstein's rule that we discussed.) a = 4.9 m/s? down e a T m,g m m, g near Earth (g = 9.8 m/s?) Type your answer. 8 Exact same Atwood machine as the previous problem (two nickels and a nickel in an elevator accelerating down at 4.9 m/s2), but now how much time (s) does it take m1, starting from rest, to fall 25 cm relative to the inside of the elevator? Type your answer.
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