When a car traveling at 30 m/s hits the gas pedal, it speeds up to 65 m/s in 3.5 sec. What is the car's acceleration during that time?

Hydrogen has only one electron in its only (and outer) electron shell. if a hydrogen atom were to absorb a small amount of energy, where would bohr say the electron would go? a. fly off the atom b. nowhere, it would just speed up. c. spiral inwards towards the nucleus d. move up to another shell that would form