15 terms

conservation of momentum

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Terms in this set (...)

Impulse
time multiplied by force
Momentum
velocity multiplied by mass
elastic collision
objects bounce off each other - energy may be conserved
inelastic collision
objects stick together - energy lost
mass
kilograms
velocity
m/s
acceleration
change in velocity over time
A force can be described as...?
a push or a pull
a 5 kg ball rolls at 6 m/s calculate its momentum
30 kg m/s
A 400 N force is applied to a bullet for .03 seconds. Calculate the impulse on the bullet
12 Ns
Friction
force caused by rubbing surfaces
normal
perpendicular to a surface
inertia
property of matter that resists motion
A force is applied for 1 second to a 6 kg object causing it to speed up by 2 m/s. calculate the force
12 N
30 m/s
C has a mass of 6 kg and is moving at 40 m/s towards D which is at rest. C hits D and comes to rest. Calculate the new velocity of D