Hi! I am going to apply for a medical study admission test and where just wondering if you guys could help me to come up with the formula for solving this problem. I am not looking for a answer, just the mathematical formula to solve theese kind of questions.

The question is as follows:

An object is moving uniformly in circles with a radius of 5m and a frequency of 2 Hz. What is its instantaneous velocity?

1 answer

2Hz = 2 cycles/s(c/s).

Circumference = pi*2r = 3.14 * 10 = 31.4 m.

V = 2c/s * 6.28rad/c = 12.56 rad/s
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