<em>two hundred and eighty five</em>
6-z
Z-6 would be wrong because the question said start with 6
Step-by-step explanation: the answer is x = 1/2
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:
x=√40
Step-by-step explanation:
In above figure,
h=7
b=3
p=x=?
Now,
by Pythagoras theorem,
