Recent content by puspita

Starting from rest, a 64.0 kg person bungee jumps from a tethered balloon h = 65.0 m above the ground. The bungee cord has negligible mass and unstretched length L = 27.1 m. One end is tied to the basket of the balloon and the other end to a harness around the person's body. .(a) Express the...

oh yeh i did a mistake... it should be h= -(1/2)*9.8*(2.4-h/336)^2 m yeah...I took h=v0t-(1/2)gt1^2...(1) for sound h=v0t2 h=336*t2 t2=h/336 t=t1+t2 t1=t-t2 t1=2.4-h/336

A rock is dropped from rest into a well. The sound of the splash is heard 2.40 s after the rock is released from rest. a)How far below the top of the well is the surface of the water? The speed of sound in air (at the ambient temperature) is 336 m/s. (b) What If? If the travel time for...