1. a simple pendulum has a 150.0 � mass tied to it and 28.00 seconds are required to complete 10 oscillations. (a) if � = 9.80 �/�@, what is the length of the pendulum? (b) when the mass is released from a certain hight, its speed as it passes through its lowest point is measured to be 1.850 �/�. calculate the tension in the string at the pendulum’s lowest point. (c) the 150.0 � mass is removed from the string forming the pendulum, and it is attached to a spring. if 27.00 seconds is required to complete 25 oscillations on the spring, calculate the spring constant. (d) if you are to move pendulum to another planet where � = 6.78 �/�@, how will period change? (e) if you are to move spring mass system to another planet where � = 6.7