Distance between two points is
Root of X2 - X1 squared + Y2 - Y1 squared
So here X2 is 0 X1 is 0 as the origin is 0,0
Root of Y2-Y1 squared is what we are left with
Root of -2- -3 squared
Root of 1 squared
Root of 1
Which is 1
Distance is 1
The formula for density of an object is Density=
First you plug in the information you already know. 163.5=
Now you have to solve for the mass so you multiply 0.492 by 163.5
Lastly, you simplify and you will get 80.44. Hope this helped :)
Answer:
Step-by-step explanation:
well, by using definition of tan of an angle
let the distance between Earth and shooting star is .
since ,
then