i can you please help me

The process in which the nucleus of an atom splits into two lighter atoms, releasing a large amount of energy is nuclear

Describe the path of a ray that approaches a mirror parallel to the principal axis.

A980-kg sports car collides into the rear end of a 2300-kg suv stopped at a red light. the bumpers lock, the brakes are locked, and the two cars skid forward 2.6m before stopping.the police officer, estimating the coefficient of kinetic friction between tires and road to be 0.80, calculates the speed of the sports car at impact. what was that speed?