A railway engine waiting 40 metric ton is travelling along a level track at a speed of 54 km/hr. The additional power required to maintain the speed up an inclined plane of 1 in 49 is​

The pressure proportional to the area a- inversely b- directly c- increase d-decrease

4. if you were an astronaut on the moon, what would you experience? what would you see from your perspective?

Which of the following best describes internal energy? a. the difference between the kinetic and potential energies of the particles in a system b. the sum of the kinetic and potential energies of the particles in a system c. the sum of the kinetic and thermal energies of the particles in a system d. the difference between the kinetic and thermal energies of the particles in a system