In both cases, y and x components are solved and added. The resulting hypotenuse is then computed and its direction calculated.
Airplane:
Ф = 270 - 265 = 5°
Hypotenuse, h = 420 mph
y component = 420 Sin Ф = 420 Sin 5 = 36.61 mph
x component = 420 Cos Ф = 420 Cos 5 = 418.40 mph
Wind
Ф = 270 -210 = 60°
Hypotenuse, h = 30 mph
y component = 30 Sin 60 = 25.98 mph
x component = 30 Cos 60 = 15 mph
Total y = 36.61+25.98 = 62.59 mph
Total x = 418.40+15 = 433.40 mph
Resulting speed of airplane = Sqrt (y^2+x^2) = Sqrt (62.59^2+433.40^2) = 437.9 mph
Direction = 270 -[tan^-1 (y/x)] = 270 -[tan^-1(62.59/433.40)] = 261.78°
Answer:
-7
Step-by-step explanation:
Not sure what you mean by solve for r^2
but
a/4=r^2
if u wanna go further
r=(a/4)^1/2
Answer:
y=4
Step-by-step explanation:
Answer:
it's negative 13, or y = -13
Step-by-step explanation:
positive times negative gets you negative and then when you subtract 3 it becomes -13
hope this helped have a good day bye byeeeee
