A kid spins around in a chair 3 times every 1/4 minute. What is the period and frequency of this cycle? *
T = 15s, f = 0.6Hz
T = 5s, f = 0.2Hz
T = 15s, f = 0.2Hz
T = 5s, f = 0.6Hz

This is what i found on google “according to the collision theory, the following criteria must be met in order for a chemical reaction to occur: molecules must collide with sufficient energy, known as the activation energy, so that chemical bonds can break. molecules must collide with the proper orientation.” i hope this information you.

Idon't know it i just need my points lol