Calculate the density of the football. Use the formula D = m/V where D is the density, m is the mass, and V is the volume.
Record your calculations in Table B of your Student Guide.

What is the density of the football while it is deflated? g/cm3

0.10

Explanation:

i was thinking more like reflects green light, just not sure

it's when something is going so fast it makes a loud noise, breaking the sound barrier, for example: a jet makes a loud noise, not only cause of the jet but because they reached a point where they went so fast that you can year the noise from various parts, kinda like a police car, lets say the car was going   so fast that you hear the siren of the cop car right next to you, but the car is probably a mile a way, it's cos the siren was next to you a few seconds if you understand me