📅 NSB Round Robin 2020🎓 HS🔄 Round 8#️⃣ Question 14❓ TOSS-UP✍️ Short Answer
A child spins a ball on the end of a string in such a way that it traces out a circle with a diameter of 50 centimeters. In seconds, what is the period of rotation if the ball has a constant speed of one meter per second?
✔️Answer:PI/2
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