What is reduce in kinetic energy throughout the collision

Assignment Help Physics

Reference no: EM1371367

Q. A railroad car with a mass of 2 x10^4 kg moving at 3.0 m/s collides and joins with 2 railroad cars already joined together, each with the same mass as the single car and initially moving in the same direction at 1.20 m/s.

a. what is the speed of the 3 joined cars after collision?

b. What is the decrease in kinetic energy throughout the collision?

Q. What is the rms speed of nitrogen molecules contained in an 9{rm m}^3 volume at 2.9 atm if the total amount of nitrogen is 2000 mol?

Reference no: EM1371367

Questions Cloud

Market for gasoline : As a result of increased tensions in the Middle East, oil production is down by 1.2 million barrels per day-a 5 percent reduction in the world's supply of crude oil.

Explain what great leaders have in common : Explain What great leaders have in common is that each truly knows his or her strengths

Determine the efficient amount of pollution abatement : Economists discuss that there is an efficient amount of pollution abatement. Why is the efficient amount of abatement unlikely to be either zero or 100 percent?

Explain how many sets will it have to sell at price obtaine : If company wants to earn a mark-up of 50 percent on its variable costs, explain how many sets will it have to sell at price obtained in part b.

What is reduce in kinetic energy throughout the collision : A railroad car with a mass of 2 x10^4 kg moving at 3.0 m/s collides and joins with 2 railroad cars already joined together, each with the same mass as the single car and initially moving in the same direction at 1.20 m/s.

Illustrate what do laws of supply and demand predict : Illustrate what do laws of supply and demand predict would be result of an immediate removal of minimum wage in terms of price of labour and quantity available.

Implement shape hierarchy-compute area of two-dimensional : Implement Shape hierarchy. Each TwoDimensionalShape must contain function getArea to compute the area of two-dimensional shape. Each ThreeDimensionalShape must have member functions.

Long-run business decisions : You're an entrepreneur and you've opened a restaurant in a nice area of town. Describe at least two long run decisions which you require to make about the business.

What is the wires linear charge density : A falling stone takes 0.33s to travel past a window 2.20 m tall on the right. From what height above the top of the window did stone fall.

User Account

All Pages