What does it mean to rally with a partner​

Wavelength,frequency,and energy are related.what happens to a wave as it’s wavelength gets shorter?

Which of the following correctly describes what happens when an atomic bomb explodes? small pieces of fissionable material are joined and form a body with a mass greater than the critical mass, the relative number of neutrons escaping decreases, and a chain reaction and explosion result. large pieces of fissionable matter are brought together quickly and form a body with a mass smaller than the critical mass, the relative number of escaping neutrons increases, and a chain reaction and explosion result.

Acar travels 40m in 8 seconds find the car speed