In ΔJKL, j = 890 cm, k = 260 cm and l=740 cm. Find the measure of ∠K to the nearest degree.
2 answers:
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Answer:
Step-by-step explanation:
Let v be the speed after the collision of both the cars.
Now, momentum is given by: mass × velocity, then by equating the total momentum before and after the collision of the two cars, we get
⇒
⇒
⇒
Thus, they are moving at the velocity of