can someone please help me A wave’s velocity is 120 m/sec with a frequency of 6 Hz. What is its wavelength?

An electron is traveling with initial kinetic energy k in a uniform electric field. the electron comes to rest momentarily after traveling a distance d. (a) what is the magnitude of the electric field

M1 = 2.8 kg, m2 = 6.72 kg, m3 = 11.2 kg, byas in .is ,is .toof m3 it 0.91 m. (in m/s)

Atoms containing radioactive nuclei are called