A train with a mass of 25000 kg increases it's speed from 10 m/s to 25 m/s in 20 seconds. assume that the acceleration is constant and that you can neglect friction

what is the acceleration of the train

What is the atomic weight and charge of the radioactive particle that was emitted?

How do you calculate elecrical power?

Imagine you poor some hot soup into a bowl. You place your hands on the outside of the bowl and feel that the bowl is very warm. How did that heat get from the soup bowl through your hands? A Osmosis B Radiation C Conduction D Convection

How does free energy challenge the scientific definition of energy?

It takes a car five seconds to speed up from 20 m/s to 23 m/s. what is the acceleration of the car?

Which of the following describes resistance force?

Ursa Minor contains the pole star, Polaris, and the asterism known as the Little Dipper. From most locations in the Northern Hemisphere, all of the stars in Ursa Minor are circumpolar.

What is an organism ability to maintain a steady internal condition called

What is the fundamental frequency of a particular medium?. a. the lowest frequency at which a standing wave is possible. b. the highest frequency at which s standing wave is possible

The distance from the inner core to the surface of the earth is about 5,200 kilometers. the large amount of material surrounding the inner core places tremendous pressure on it.