In a stunt for an action movie, the 100kg actor jumps from a train which is crossing a river bridge. On the river below, the heroine is tied to a raft floating towards a waterfall at 3m/s. The raft and heroine have a total mass of 200kg.
If the hero times his jumps perfectly so as to land on the raft, and his velocity is 12m/s at an angle of 80 degrees to the river current, what will be the velocity of the raft immediately after he lands? Draw a vector diagram to show the momentum addition. (Ignore any vertical motion)
I found this to be 4.77 m/s is that right?
I can't work out the second half D: PLEASE HELP
If the waterfall is 100m downstream, and the hero landed when the raft was 16m from the bank, would they plummet over the fall? (Assume the velocity remains constant after the hero has landed.)
If the hero times his jumps perfectly so as to land on the raft, and his velocity is 12m/s at an angle of 80 degrees to the river current, what will be the velocity of the raft immediately after he lands? Draw a vector diagram to show the momentum addition. (Ignore any vertical motion)
I found this to be 4.77 m/s is that right?
I can't work out the second half D: PLEASE HELP
If the waterfall is 100m downstream, and the hero landed when the raft was 16m from the bank, would they plummet over the fall? (Assume the velocity remains constant after the hero has landed.)