Question

No. 1 Stick-Shake: How Mechanical Energy is Stored in Faults LABORATORY ACTIVITY Materials needed: two plastic rulers (plastic transparent) or any flexible materials alike modeling clay or any binder that easily loose up Procedure: 1. Using the clay, attach the rulers' ends together (how long is the overlap between rulers?) Ruler Ruler Figure 9. Ruler and clay setup Figure 9. Hold the ruler and push by following the indicated arrow Right hand pushes (arrow up) while left hand pulse (arrow down) Hold the nlem as shown in the picture above. Then slowly move your hands in the direction of the arrows Figure 10 Figure 11. When bending is too much, the rulers snap atraight and vibrate Q1. What is stored in the rulers as they bend? Q2. What happens when bending becomes too much? Q3. What is released from the rulers? Q4. After the stress is released, the rulers returned to their original, unstressed configuration, if this happens on rock layers the process is called​

Answer 1

Answer:

It is given that two circle having radii 5.5 cm and 4.2 cm touch each other externally. We know, the distance between the centres of the circles touching externally is equal to the sum of their radii. Thus, the distance between their centres is 9.7 cm.