Answer: Your answer is<u> 1.36.</u>
Hope this helps!
Answer:
g = 0.85 m![s^{-2}](https://tex.z-dn.net/?f=s%5E%7B-2%7D)
Explanation:
g = ![\frac{GM}{h^{2} }](https://tex.z-dn.net/?f=%5Cfrac%7BGM%7D%7Bh%5E%7B2%7D%20%7D)
were; g is the acceleration due to Earth's gravity, G is Newton's gravitation constant (6.674 x
N![m^{2}](https://tex.z-dn.net/?f=m%5E%7B2%7D)
), M is the mass of the earth (5.972 x
kg), and h is the distance of meteoroid to the earth.
h = 3.40 x R
= 3.40 x 6371 km
h = 21661.4 km
= 21661400 m
Thus,
g = ![\frac{6.674*10^{-11}*5.972*10^{24} }{(21661400)^{2} }](https://tex.z-dn.net/?f=%5Cfrac%7B6.674%2A10%5E%7B-11%7D%2A5.972%2A10%5E%7B24%7D%20%20%7D%7B%2821661400%29%5E%7B2%7D%20%7D)
= ![\frac{3.9857 *10^{14} }{4.6922*10^{14} }](https://tex.z-dn.net/?f=%5Cfrac%7B3.9857%20%2A10%5E%7B14%7D%20%7D%7B4.6922%2A10%5E%7B14%7D%20%7D)
= 0.84944
g = 0.85 m![s^{-2}](https://tex.z-dn.net/?f=s%5E%7B-2%7D)
The acceleration due to the Earth's gravitation is 0.85 m
.
Hydrogen gas is harmless to your feet so since you don’t need protection against it that seems the best answer.
Answer:
230 m/s northeast, 1.8 m/s up
Explanation:
204 kilometres = 204000 metres
15.0 minutes = 900 seconds
Velocity = Distance / Time
= 204000 / 900
= 230 m/s northeast (to 2 sf.)
1.6km = 1600 metres
Velocity = 1600 / 900
= 1.8 m/s up (to 2 sf.)
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