6. One minute after takeoff, a rocket carrying the space shuttle into outer space reaches a speed of 447 m/s.
What was the average acceleration of the rocket during that initial minute?

The atoms in a nickel crystal vibrate as harmonic oscillators with an angular frequency of 2.3 × 1013 rad/s. the mass of a nickel atom is 9.75 × 10-26 kg. what is the difference in energy between adjacent vibrational energy levels of nickel? (h = 6.626 × 10-34 j • s, , 1 ev = 1.60 × 10-19 j)

What is the increase in density of a medium due to wave travel?

How many neutrons does plutonium -196 with an atomic number of 78.