Peroxymonosulfuric acid \( H_2SO_5 \) is a strong oxidizer, often used in wastewater treatment.
Dry ice is:
Derive an expression for maximum speed of a vehicle moving along a horizontal circular track.
If the mean and variance of a binomial distribution are \( 18 \) and \( 12 \) respectively, then the value of \( n \) is __________.