1. Please refer to the figure below (Figure 3). A pendulum is pulled to one side until its mass is 15 cm above the reference point. After achieving the height, the pendulum is then released. Find the speed at the bottom of the swing. (Provide your solution,, Given and Formula 15 cm Figure 3. A pendulum swayed on one side. Solution and Answer
Simple harmonic motion
Simple harmonic motion is a type of periodic motion in which an object undergoes oscillatory motion. The restoring force exerted by the object exhibiting SHM is proportional to the displacement from the equilibrium position. The force is directed towards the mean position. We see many examples of SHM around us, common ones are the motion of a pendulum, spring and vibration of strings in musical instruments, and so on.
Simple Pendulum
A simple pendulum comprises a heavy mass (called bob) attached to one end of the weightless and flexible string.
Oscillation
In Physics, oscillation means a repetitive motion that happens in a variation with respect to time. There is usually a central value, where the object would be at rest. Additionally, there are two or more positions between which the repetitive motion takes place. In mathematics, oscillations can also be described as vibrations. The most common examples of oscillation that is seen in daily lives include the alternating current (AC) or the motion of a moving pendulum.
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![1. Please refer to the figure below (Figure 3). A pendulum is pulled to one side until its
mass is 15 cm above the reference point. After achieving the height, the pendulum is
then released. Find the speed at the bottom of the swing. (Provide your solution, ,
Given and Formula
15 cm
Figure 3. A pendulum swayed on one side.
Solution and Answer](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F8bdda718-d767-4cf2-a3f4-a2da8a733deb%2Ff1377af3-b54d-4aed-acde-8dddc0a6a6ab%2Fwmx50y_processed.png&w=3840&q=75)
![2. Using the figure below (Figure 4), indicate in the points the energy conversion of the car.
Figure 4. An energy transformattion in a roller coaster.
Source: httos:ww pbsieamingmedia.croinesouroahew0E.sci phys matrolerooasterienargy-in-a-olier-coaster-ride](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F8bdda718-d767-4cf2-a3f4-a2da8a733deb%2Ff1377af3-b54d-4aed-acde-8dddc0a6a6ab%2Fusdj80l_processed.png&w=3840&q=75)
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