Tarzan (mass 80kg ) swings at the end of an 8.0-m-long vine shown in the figure(Figure 1) . When directly under the vine's support, he releases the vine and flies across a swamp. When he releases the vine, he is 5.0 mabove the swamp and 10.0 m horizontally from the other side.
![1669_Tarzan swings at the end of an vine.png](https://secure.tutorsglobe.com/CMSImages/1669_Tarzan%20swings%20at%20the%20end%20of%20an%20vine.png)
Determine the force the vine exerts on him at the instant before he lets go (the vine is straight down when he lets go).