F=m₁ a₁ => m₁ =F/a₁ .
If m₂=m₁/2
a₂=F/m₂=F/(m₁/2) =2F/m₁ = 2a₁
A dolphin experiences a force of 320 N [up]
when it jumps out of the water. The
acceleration of the dolphin is 2.6 m/s
2
[up].
(a) Calculate the mass of the dolphin.
(b) What would be the acceleration of the
dolphin if it had the same strength but half
the mass
2 answers
22.5
1 answer