Answer:
Moving Car. Moving cars possess some amount of kinetic energy. ...
Bullet From a Gun. A bullet fired from a gun has very high kinetic energy, and, so, it can easily penetrate any object. ...
Flying Airplane. ...
Walking & Running. ...
Cycling. ...
Rollercoasters. ...
Cricket Ball.
The correct option for this question would be C.
Answer: There are 4 average cars in the system.
Step-by-step explanation:
Since we have given that
Arrival rate = λ = 4 cars per hour
Service rate = μ = 5 cars per hour
We need to find the average number of cars in the system.
So, Average number of cars would be

So, it becomes,

Hence, there are 4 average cars in the system.
D. 5 and B. 7 ............................