Question

Answer questions 4 and 5.

Answer 1

4) 2300 kg x m/s
5) 1000- dolphin 700- manatee. the dolphin has more momentum than the manatee

Answer 2

Answer:

4. Momentum = mass x velocity

= 920kg x 25m/s = 23000kgms¯¹

5.Dolphin. Momentum of dolphin is 1000kgms¯¹ whereas the momentum of manatee is 700kgms¯¹

These can be found using the formula above.