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Author Question: A certain pendulum consists of a 1.5-kg mass swinging at the end of a string (length = 2.0 m). At ... (Read 77 times)

natalie2426

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on: Jul 28, 2018
A certain pendulum consists of a 1.5-kg mass swinging at the end of a string (length = 2.0 m). At the lowest point in the swing the tension in the string is equal to 20 N. To what maximum height above this lowest point will the mass rise during its oscillation?
 a. 77 cm
  b. 50 cm
  c. 63 cm
  d. 36 cm
  e. 95 cm

Question 2

A 2.5-kg object suspended from the ceiling by a string that has a length of 2.5 m is released from rest with the string 40 below the horizontal position. What is the tension in the string at the instant when the object passes through its lowest position?
 a. 11 N
  b. 25 N
  c. 42 N
  d. 18 N
  e. 32 N


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cclemon1

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Reply #1 on: Jul 28, 2018
Answer to Question 1

D

Answer to Question 2

C


natalie2426

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Reply #2 on: Jul 28, 2018
Thank you!


cclemon1

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Reply #3 on: Jul 28, 2018
Always glad to help...


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