decreases first decreases and then increases after reaching a minimum value at optimum speed increases first increases and then decreases after reaching a maximum value at optimum speed
Answer Discuss in Comment
"Scientists dream about doing great things. Engineers do them."
PSC Advertisement ⏩ | Federal PSC | Bagmati PSC | PSC Karnali | PSC Lumbini | PSC Sudurpaschim | PSC Gandaki | PSC State 1.