a simple harmonic wave of wavelength 18.7 cmand amplitude 2.34 cm is propagating in the negative x-direction at 38.0 cm/s.

According to the law of conservation of mass, in a chemical reaction the total starting mass of all the reactants equal the total final mass of all the products. true or false?

What type of nuclear decay causes the atomic number of an element to increase by 1?

If the spring constant k of a pogo stick is 3500 n m and the weight of the person on the pogo stick is 700 n, how much is the spring in the botom of the pogo stick compressed?