A cat is walking at the speed of 5 m/s when he sees a mouse and begins to chase it.The cat speed up to a velocity of -4 m/s in 7 seconds. how far do the cat run to catch the mouse
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Expert's answer
2020-10-23T11:51:04-0400
By definition, the acceleration is change in the velocity over the time, in which this change happens. Thus:
"a = \\dfrac{v_2-v_1}{t} = \\dfrac{-4m\/s-5m\/s}{7s} = -\\dfrac{9}{7} m\/s^2"
The distance travelled by the cat with this acceleration and in this time is:
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