state three factors that limits accuracy of this method of simple pendulum in the determination of 'g'

ill do it for 100, also this isnt 80 its 40

the maxium height is 34m/s

answercollision;

maria has a savings account that is earning simple interest. if she started with $200 in the account and has earned a total of $8 in interest in two years, what is the rate of the account? use the formula  .