Step-by-step explanation:
From the conversation of angular momentum
Initial momentum=final momentum
Here,
Since body is initially resting, it's momentum must be zero.
Let v be velocity of third piece. Then
0= 10(-3i+2j) + 18(5i-4j) + 22v
Solving this we get,
v= 4/22(15i+13j).
Answer:
$299
Step-by-step explanation:
Given that 70% is $230 you can divide this by 7 to get 10%.
10% is 23. The remaining percentage we need is 30.
Soo 10% x 3 = 30%. (23x3)
23 x 3 = 69.
69 + 230 = $299
Answer:
the answer is -16
Step-by-step explanation:
n= 5 so 5 - 1 = 4 so it's -1(2)^4 right
2^4 is equal to 16 and then -1(16) = -16
To solve this, the problem is solvable by elimination. So you see how the 5y and -5y cancel out? You basically add those two and you add the -7x and 4x and 10 and -10 leaving you with -3x=0. Dividing by each side gives you x=0. Then, plug 0 in for x in -7x+5y=10. Giving you
-7(0)+5y=10.
0+5y=10
5y=10
Divide by 5 on each side giving you y=2. So your answer is (0,2).