A 40 kg child travels in her parents' car, sitting on the back seat, fastened by a seat belt. At a given moment, the car reaches a speed of 20 m/s. At that moment, the child's kinetic energy is equal:
Respostas
respondido por:
1
Resposta:
8000 J
Explicação:
The kinect energy can be written as a word equation:
kinect energy = (1/2) . mass . speed²
in symbols:
so, we get:
Perguntas similares
5 anos atrás
5 anos atrás
5 anos atrás
7 anos atrás
7 anos atrás
7 anos atrás
8 anos atrás
8 anos atrás