Does our head experience smaller gravitational acceleration than our feet?

Curious carl calculated the density of a cube to be 4.50 g/cm3. what is the density of the cube in g/l?

A1000-kg weather rocket is launched straight up. the rocket motor provides a constant acceleration for 16-s, then the motor stops. the rocket altitude 20-s after launch is 510-m. you can ignore any effects of air resistance. a. what was the rocket’s acceleration during the first 16-s? b. what is the rocket’s speed as it passes through a cloud 5100-m above the ground?

Which of the following is not a physical property of mattera. melting pointb.heat of combustionc. viscosityd. boiling point