Answer:
The velocity of astronaut will be 0.105 m/s in opposite direction of the tool.
Explanation:
Given that,
Mass of the Astronaut, m = 68.5 kg
Mass of the the tool, m' = 2.25 kg
Speed of tool, v' = -3.2 m/s (direction is sway from space station)
It is required to find the speed of the astronaut. The momentum will remain conserved. So,
v is the speed if Astronaut
So, the velocity of astronaut will be 0.105 m/s in opposite direction of the tool.
Answer:
Yes.
Explanation:
According to Newton's second law, acceleration of an object is directly proportional to the net force acting on the object.
Here mass of the object in both the cases is the same.
So, acceleration is greater in the case of larger net forces. Further, larger acceleration means larger velocity.
Now, Kinetic energy =
so, the object with larger velocity will have greater kinetic energy.
So, the difference in kinetic energy for the larger force will larger.
Therefore, larger net force produces a larger change in kinetic energy than a smaller net force.