A rifle is fired straight downward from a high-altitude balloon. If the bullet leaves the barrel at 100 m/s, then its speed one second later (neglecting air resistance) will be about
1) 10 m/s
2) 100 m/s
3) 105 m/s
4) 110 m/s
and its distance below will be about
5) 5 m.
6) 100 m.
7) 105 m.
8) 110 m.
9) 120 m.
Answer: 4, 7
Physics & Space Science
You might also like to view...
Emission nebulae like M42 occur only near stars that emit large amounts of:
A) visible light. B) microwaves. C) ultraviolet radiation. D) infrared heat. E) X-rays and gamma rays.
Physics & Space Science
Both Jupiter and Saturn radiate more heat than they absorb from the Sun
Indicate whether the statement is true or false
Physics & Space Science
It takes about 1032 hydrogen atoms to make a star
Indicate whether the statement is true or false
Physics & Space Science
What are scientists' best guess(es) for the requirement(s) of life?
A) a source of materials (nutrients) B) energy to fuel the activities of life C) liquid water D) all of the above
Physics & Space Science