Question

An asteroid is going to hit the Earth.<br />To calculate its distance it is observed<br />from 2 diametrically opposite points<br />A, B on Earth. The angle subtended at<br />the asteroid by these two directions of<br />observations is 2°. Given the diameter<br />of Earth to be about 1.276 x 10' m.<br />compute the distance of the asteroid.​

Answer 1

Answer:

θ

=

2

o

=

π

180

×

2

=

0.034

rad

Distance AB =

1.276

×

10

7

m

D

=

A

B

θ

D

=

1.276

×

10

7

0.034

=

3.75

×

10

8

m