Un automovilista se desplaza inicialmente con una velocidad de 10 m/s. Al pisar el acelerador alcanza una velocidad de 25 m/s en un tiempo de 6 segundos. ¿Cuál es la aceleración en este lapso?

To do work, this truck uses energy stored in chemical fuel and an electrical battery. how much total energy does this truck put out?

Complete the sentence to describe the law of conservation of energy. the law of conservation of energy states that energy cannot be created or , but it can be

As part of your daily workout, you lie on your back and push with your feet against a platform attached to two stiff springs arranged side by side so that they are parallel to each other. when you push the platform, you compress the springs. you do an amount of work of 79.0 j when you compress the springs a distance of 0.230 m from their uncompressed length. (a) what magnitude of force must you apply to hold the platform in this position? (b)how much additional work must you do to move the platform a distance 0.230 m farther? (c) what maximum force must you apply to move the platform a distance 0.230 m farther?