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aev [14]
3 years ago
8

The four main systems of earth are

Geography
1 answer:
Alborosie3 years ago
6 0
I think is alternative a because that includes the earth
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The earth has a radius of 6380 km and turns around once on its axis in 24 h. (a) what is the radial acceleration of an object at
S_A_V [24]
<span>we know that<span>

a = ω²r 
r = 6380 km----------- > 6.38e6 m 
ω=2π/86400 sec </span></span>
<span>a=(2π/86400) ² (6.38e6 m )------------ > 0.03374
<span>
a = 0.03374 m/sec² </span></span>  

if g------------------- > 9.8 m/sec²  <span> 
X----------------------> 0.03374 m/sec² </span>
X=0.03374 /9.8---------- > 0.00344 <span>
a = 0.00343 g </span>  

the answer is 
a = 0.03374 m/sec²  
a = 0.00343 g

3 0
3 years ago
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