<span>diminution in the density of something, especially air or a gas.</span>
The answer of speed is 4.5m/s
With these questions, drawing it out would always help, the answer for this would be 90m if you add them all up. If it’s displacement, it would be 30m. But since it’s asking for the distance TRAVELED then it’s 90m
ANSWER: 90m
It depends on the mass of an object and acceleration because of the gravity and the height of an object