AP Physics 1
4.4 Elastic and Inelastic Collisions
4.3 Conservation of Linear Momentum
4.2 Change in Momentum and Impulse
4.1 Linear Momentum
Consider the following cases of inelastic collisions.
Case (
ull1
ull) – A car moving at \(75\,\text{mph}\) collides with another car of equal mass moving at \(75\,\text{mph}\) in the opposite direction and comes to a stop.
Case (
ull2
ull) A car moving at \(75\,\text{mph}\) hits a stationary steel wall and rolls back.
The collision time is the same for both cases. In which of these cases would result in the greatest impact force?
Case (
ull1
ull) – A car moving at \(75\,\text{mph}\) collides with another car of equal mass moving at \(75\,\text{mph}\) in the opposite direction and comes to a stop.
Case (
ull2
ull) A car moving at \(75\,\text{mph}\) hits a stationary steel wall and rolls back.
The collision time is the same for both cases. In which of these cases would result in the greatest impact force?
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