V = 4/3 77
d = 6.0 cm
r=d/2
mass = 350 g
find the density

If the speed of a particle triples ,by what factor does its kinetic energy increase?

Find v(t), given acceleration a(t)=7j and initial velocity v(0)=k

Which of the choices are parts of an atom? select all that apply. a.) compound b.) electron c.) neutron d.) molecule e.) photon f.) proton g.) element