Thursday

April 17, 2014

April 17, 2014

Posted by **Thien Nguyen** on Friday, April 26, 2013 at 1:04am.

- math -
**Steve**, Friday, April 26, 2013 at 10:55amdraw a diagram. The distance from the observer to the shuttle when the height is y, is

d^2 = 6^2 + y^2

2d dd/dt = 2y dy/dt

when y=8, d=10 so

20 dd/dt = 2(8)(500)

dd/dt = 400 km/hr

**Related Questions**

physics - The velocity of sound in the atmosphere is c=300 m/s. An airplane is ...

Physics - A skyrocket explodes 77 m above the ground. Three observers are spaced...

math - The distance d in Km to the gorizon can be estomated using the formula d...

calculus - An airplane is cruising at 340 km/h at an altitude of 4000 m. If the ...

math - One mile is equal to: A} 1.61 kilometers B} 3.52 kilometers C} 0.91 ...

physics - An observer, whose eyes are 1.87 m above the ground, is standing 27.0 ...

physics - An observer, whose eyes are 1.97 m above the ground, is standing 47.0 ...

Grad 11 physics - During thunder and lightning storm, an observer heard the ...

precalculus - A model airplane 50 feet above the ground is flying away from an ...

earth science - if the base of a clound is located at an altitude of 2 ...