In terms of conservation, what is the difference between an elastic and an inelastic collision?
Emily AbbateIn an elastic collision both momentum and kinetic energy are conserved.
In an inelastic collision, kinetic energy is not conserved but momentum is conserved (momentum is always conserved).
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Carson AlexanderIn elastic collisions, kinetic energy is conserved, while in inelastic collisions, kinetic energy is not conserved.
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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
- A ball with a mass of #5 kg # and velocity of #6 m/s# collides with a second ball with a mass of #3 kg# and velocity of #- 7 m/s#. If #40%# of the kinetic energy is lost, what are the final velocities of the balls?
- A 1000kg car, travelling east at 30.0m/s, collides with a 3000kg truck, travelling north. After the collision, the vehicles stick together and the combined wreckage moves at 55.0◦ north of east. (a) What is the speed of the truck before the collision?
- The kinetic energy of an object with a mass of #4 kg# constantly changes from #30 J# to #390 J# over #9 s#. What is the impulse on the object at #2 s#?
- An astronaut with a mass of #95# #kg# is floating in space. If the astronaut throws an object with a mass of #2# #kg# at a speed of #7/8# #ms^-1#, how much will his speed change by?
- How can momentum be increased?
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