Question

The figure shows two 20.5 kg ice sleds that are placed a short distance apart, one directly behind the other. A 3.99 kg cat initially standing on one sled jumps to the other one and then back to the first. Both jumps are made at a speed of 3.54 m/s relative to the ice. What are the final speeds of (a) the first sled and (b) the other sled?

Answer 1

for first jump frem Conser vahon ot morauhm fr Cat ands UnMy ms, Vi me Ve 3.93 x 3.54 mcVe 20.S O689 ls at and Cmet ms V 0me Ve 393x3.54 (33205) 0.5 t67 ms V for furp Second V, and S Cat MeVe m Met ms) 3-11+20.5)0.577 3-39x 354)+2sV V13 77ms for Si and Cat ms,vme Ve 20.5x0c04) +3sx3:-5) Pant 6) Pert-0s sled-L Vi1.153ms Vi1312mls $led-2 Speed of