Flying a kite . A girl flies a kite at a height of 3000 ft, the wind carrying the kite horizontally away from her at a rate of 25 ft/sec. How fast must she let out the string when the kite is 500 ft away from her ?

A kite at a height of 80m with 100m of cord starts moving away horizontally at the rate of 4km/hr. How fast is the cord payed out?

A ladder 13 m long is leaning against a wall. The bottom of the ladder is pulled along the ground, away from the wall, at the rate of 2m/sec. How fast is the height on the wall decreasing when the foot of the ladder is 5 m away from the wall ?

A ladder 5cm long is leaning against a wall. The bottom of the ladder is pulled along the ground, away from the wall at the rate of 2cm/sec. How fast is its height on the wall decreasing when the foot of the ladder is 4m away from the wall?

A ladder 5 m long is leaning against a wall. The bottom of the ladder is pulled along the ground, away from the wall, at the rate of 3 cm/sec. How fast is its height on the wall decreasing when the foot of the ladder is 3 m away from the wall?

A ladder 5m long is leaning against a wall. The bottom of ladder is pulled along the ground, away from the wall, at the rate of 2cm//sec . How fast is its height on the wall is decreasing when the foot of ladder is 4m away from the wall.

A ladder 16 cm long is leaning against a wall. The bottom of the ladder is pulled along the ground, away from the wall, at the rate of 2 cm/sec. How fast is its height on the wall decreasing when the foot of the ladder is 4 cm away from the wall?