A ladder 5.1m long is placed on a level ground against a vertical wall. The foot of the ladder is pushed towards the wall at 1.5m/s. At what rate is the top of the ladder rising when its bottom is 2.4m from the wall?
A ladder 5.1m long is placed on a level ground against a vertical wall. The foot of the ladder is pushed towards the wall at 1.5m/s. At what rate is the top of the ladder rising when its bottom is 2.4m from the wall?
We have a right angled triangle, with sides x,y, and r.
r is the hypotenuse, with a length of 5.1
x is given as 2.4