Answer:
21
Step-by-step explanation:
Subtract 7 from both sides to get the answer.
Answer:
c
Step-by-step explanation:
Answer:
Your answer is 1,476
Step-by-step explanation:
Answer:
11.1m/s to the right
Step-by-step explanation:
Momentum before = momentum after
m₁u₁+m₂u₂=(m₁+m₂)v
1000(20)+800(0)=(1000+800)v
20000 = 1800 v
v= 11.1m/s to the right (to the right because the number is positive)