Identify as scalar or vector; the mass of block, the number of leaves, wind velocity?

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?

How is the gravitational force related to the distance between two objects?

Write down two additional questions about earth's magnetic field that will make your presentation more informative.