A railroad car with a mass of 30,000 kg is moving at 2.0 m/s when it runs into an at-rest freight car with an equal mass. the cara lock together. what is their final velocity?

A. 2.0 m/s

B. 0.5 m/s

C. 60,000 kg-m/s

D. 1.0 m/s

Steam enters an adiabatic turbine at 10 MPa and 500oC and leaves at 10 kPa with a quality of 50.027 percent. Neglecting the changes in kinetic and potential energies, determine the power output in MW using 3 decimals for mass flow rate of 15.469.

What is the general relationship between the state of matter and density?

What is the current through a 11v bulb with a power of 99w

A person pulls a toboggan for a distance of 37.9 m along the snow with a rope directed 32.8 ° above the snow. the tension in the rope is 105 n.

Energy transformed by a moving object is

Arrange the stars based on their temperature. Begin with the coolest star, and end with the hottest star. Tiles yellow, red, blue, white

What's the difference between plasma and gaseous states of matter?

Choose the FALSE statement about an object that has mass. A. It has volume. B. It must be heavy. C. It takes up space. D. It is made of matter.

What is a meat-eater

Use the diagram to answer the question. Number of Chirps per Minute Cricket 15 ° C 20 ° C 25 ° C 1 91 135 180 2 80 124 169 3 89 130 176 4 78 125 158 5 77 121 157 Average 83 127 168 Which statement indicates a reasonable conclusion based on the data