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Momentum and Energy

QuestionAnswer
The momentum of two objects in a collision is __________________. conserved
Momentum of a single object is the product of its _____________and velocity. mass
In an ____________________ collision between two objects, the objects stick together. inelastic
The law stating that the momentum of objects in a collision does not change. The law of conservation of momentum.
The change in momentum of an object. Impulse
Impulse is the product of __________________ and time. force
For a gjven impulse if you increase the contact time you __________________________ the force. decrease
For a given impulse if you decrease the contact time you _____________ the force. increase
_________________ energy varies as the square of the velocity. kinetic
Impulse is the change in _________________ of an object. momentum
An airbag ______________________ the contact time for the driver in a crash. increases
An airbag _________________ the force on the driver in a crash. decreases
______________ energy varies directly with the height of an object. potential
If you double the ________________of an object , the kinetic energy goes up by a factor of 4. velocity
mass X gravity X height potential energy
0.5 X mass X velocity squared kinetic energy
KE + PE mechanical energy
Objects bounce apart elastic collision
The fat brown cat Basil
The skinny black cat Pepper
Is schmurr a good rapper? no
Created by: vahajuddin
Popular Physics sets

 

 



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