Un automóvil que viaja a 56 km/hr está a 34 m de una barrera cuando el conductor
pisa de golpe los frenos. Cuatro segundos
más tarde el automóvil golpea la barrera. a)
¿Cuál fue la desaceleración constante del
automóvil antes del impacto. b) ¿A qué
velocidad viajaba el auto antes del
impacto?

1) when you rub your hands together quickly, the kinetic energy is converted to mechanical energy.2) thermal energy from the sun travels to earth as infrared waves.3) energy is transferred through the matter of space by electromagnetic waves. 4) when a match is burned, chemical potential energy is converted to thermal and radiant energy. 5) seismicwaves are caused by back and forth movement , or vibration, of an object. 6) mechanicalenergy in an engine changes thermal energy into kinetic energy to make a car move.

The best answer is (a) which is universal law is in effect at all times. it is constantly at play in everything we do and governs our lives. it is also important to note that universal law applies to not only everything on earth, but everything in the universe as well, which is another reason why it is in effect at all times.

The correct answer should be b let me know if i’m wrong