Physical applications of differentiation - moving objects HELP (1 Viewer)

[csi]

Hi guys,

Does anyone know how to do this:

A kite, 30m high, is being carried away horizontally by the wind at the rate of 10m/s. How fast should the string be let out, when the string is 100m long?
Answer: 9.5m/s

Thanks!!

 

[Etho_x]

Hi guys,

Does anyone know how to do this:

A kite, 30m high, is being carried away horizontally by the wind at the rate of 10m/s. How fast should the string be let out, when the string is 100m long?
Answer: 9.5m/s

Thanks!!

Hey hope this helps!

 

[csi]

View attachment 29029
Hey hope this helps!

tysm!