Answer:
D.the wavelength of a wave is the distance between two successive peaks or two successive troughs or a peak and trough
I’m pretty sure the immediate answer is 2. Using the equation 60N=(30kg)x2(whatever unit of measure) also it will change because if you change the mass or the Net Force, your going to have to redo the equation based on the new information.
Gold is the best pure substance. The answer is gold
