Answer:
it is correct
Step-by-step explanation:
2000 N
The resistance force acting is 1N per ton.
Tension in the coupling between engine and the wagon is 2000N.
Answer:
The number of possible outcomes are 8.
Step-by-step explanation:
Given that,
A jewelry store sells gold and platinum rings. Each ring is fitted with a ruby, sapphire, emerald, or diamond gemstone.
We need to calculate the number of possible outcomes
Using given data,
Outcomes = (gold, ruby), (gold,sapphire), (gold,emerald), (gold,diamond),(platinum, ruby), (platinum,sapphire), (platinum,emerald), (platinum,diamond)
So, Outcomes = 8
Hence, The number of possible outcomes are 8.
Answer:
-15 plus or minus the square root of 65 all over 4 (All over means fraction)