# pop

posted by .

If a fast-moving object strikes you, you'll experience less force of impact if you can ____________________.
A) increase the time the momentum decreases.
B) shorten the time the momentum decreases.
C) either shorten or increase the time, for the result is the same.

• pop -

F * time = change of momentum
the longer the time, the less the force.
(use springy helmet)

## Similar Questions

Hello, I don't know how about to answering this question: work out the problem of a ball of mass m that falls a distance h from rest. It hits the floor and rebounds to its starting height. (a) What total time ie required for the motion?
2. ### Economics

In the short run, if the Reserve bank decreases interest rates, then consumption and investment_____, planned aggregate expenditure _____ are short-run equilibrium output_____. A: increase, increases, increases B: increase, increases, …
3. ### physics

Which has more momentum, a speeding baseball or an ocean liner at rest in a harbor?
4. ### physics

Which has more momentum, a speeding baseball or an ocean liner at rest in a harbor?
5. ### Physics Check

1.)To reduce the force of impact you could a)Extend the duration of the time of impact b)Decrease the duration of the time of impact c)Increase the mass of the moving object =d)None of the above 2.)What happens when you lengthen the …
6. ### physical science

17. In the Mass in Motion lab, you rolled a ball down a ramp to see how far it moved a cup. What did this experiment demonstrate?
7. ### Calculus (Momentum and Force)

The change in the momentum of an object (Ä p) is given by the force, F, acting on the object multiplied by the time interval that the force was acting: Ä p = F Ät . If the force (in newtons) acting on a particular object is given …