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 
Answer : C
6 2 over 3 units
<span>A number cube is rolled 310 times the results are: 51 ones,56 twos,45 threes,54 fours,53 gives, and 51 sixes. What is the probability of rolling even number?
</span><span><span>Ask for details </span> <span>Follow </span> Report</span> <span>by <span>Brianmugleston </span><span>32 seconds ago</span></span>