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the length l cm of a simple pendulum is directly proportional to the square of its period (time taken to complete one oscillation ),T seconds. A pendulunm with a length of 220.5cm has a period of 3s find the equation connecting l
asked by hamna on April 18, 2020 
physics
The period of a simple pendulum is measured to be 4.0 seconds in a frame of reference. Which of the following is correct when the period of the pendulum is measured by an observer moving with 0.4 times the speed of the light?
asked by ashley  on April 30, 2011 
physics
The period of a simple pendulum is measured to be 4.0 seconds in a frame of reference. Which of the following is correct when the period of the pendulum is measured by an observer moving with 0.4 times the speed of the light?
asked by ashley  on April 30, 2011 
physics
The period of a simple pendulum is measured to be 4.0 seconds in a frame of reference. Which of the following is correct when the period of the pendulum is measured by an observer moving with half the speed of the light? Choose
asked by ashley  HELP PLEASEE!!! on May 1, 2011 
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The period p of a pendulum, or the time it takes for the pendulum to make one complete swing, varies directly as the square root of the length L of the pendulum. If the period of a pendulum is 1.3 s when the length is 2 ft, find
asked by andre on October 18, 2015

College Algebra
The period (the time required for one complete swing) of a simple pendulum varies directly as the square root of its length. If a pendulum 12 feet long has a period of 4 seconds, find the period of a pendulum 3 feet long.
asked by Shawn on September 9, 2012 
physics
A pendulum clock can be approximated as a simple pendulum of length 1.20m and keeps accurate time at a location where G=9.83m/s2. In a location where g=9.73m/s2, what must be the new length of the pendulum, such that the clock
asked by Cavin on March 31, 2007 
Physics
I got part a but I'm having trouble figuring out b... I know the formula should be something like: T=2pi/omega and omega=sqrt(k/m) but how am I supposed to find T when I don't know k or m?? A pendulum has a period of 2.4 s. a)
asked by Anonymous on December 4, 2010 
physics
a simple pendulum has a period of 4.2sec. when the pendulum is shortened by 1 m the period is 3.7s. what is the acceleration of free fall g and the original length of the pendulum?
asked by la roux on April 22, 2010 
Math  Linear Equations
"the period of a pendulum, T (in seconds) varies directly with the square root of the length of the pendulum, L (in centimeters)". Given that a pendulum of length 9cm has a period of 0.63 seconds, find: a) The period of a pendulum
asked by Kiirsty on May 24, 2014