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#?
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Layla AhmedThe impulse on the object at 2 s is 40 Ns.
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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 #6 kg# moving at #3 m/s# hits a still ball with a mass of #8 kg#. If the first ball stops moving, how fast is the second ball moving?
- A ball with a mass of # 5 kg# is rolling at #8 m/s# and elastically collides with a resting ball with a mass of #2 kg#. What are the post-collision velocities of the balls?
- What is an inelastic collision?
- The velocity of an object with a mass of #6 kg# is given by #v(t)= te^t-t^2 #. What is the impulse applied to the object at #t= 5 #?
- How do you calculate the change in momentum of an object?
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