A body mass 100 g is revolving in a horizontal circle. If its frequency of rotation is 3.5 r.p.s. and radius of circular path is 0.5 m, the angular speed of the body is a. 18 $rad/s$ b. 20$rad/s$ c. 22$rad/s$ d. 24$rad/s$

Sure, here are step by step solutions: 1. Identify the problem: Read the question carefully and identify what is being asked. 2. Understand the given information: Understand the information provided in the question and how it relates to the problem. 3. Plan a solution: Decide on the approach you will take to solve the problem. Think about what formulas or concepts you will use. 4. Solve the problem: Use the plan you developed in step 3 to solve the problem. Show all your work and calculations. 5. Check your work: Once you have an answer, check it to make sure it makes sense and is reasonable. Check for errors and mistakes. 6. Write a clear and concise answer: Write the final answer in a clear and concise way, using appropriate units and rounding if necessary. 7. Reflect on the problem-solving process: Reflect on the process you used to solve the problem. Think about what worked well and what you could improve for next time.