một viên đá được ném thẳng đứng từ mặt đất lên cao với vận tốc V =100m\s sau bao lâu kể từ lúc nãy nó xuống đất

What is the maximum acceleration of the wing tips, in units of g?

Jasmine is diving off a 3-meter springboard. her height in meters above the water when she is x meters horizontally from the end of the board is approximated by the equation h=-x^2+3x+3. what is the maximum height jasmine will reach on her dive?

Humidity is to blame for that muggy, steamy feeling you experience on some hot summer days. what gas in the atmosphere causes humidity? a) oxygen b) hydrogen c) nitrogen d) water vapor