I need help plz The Astra satellite takes 24 hours to orbit the Earth once. It travels at a speed of 3.1 km/s.
Calculate the orbital radius of the satellite and give the unit.

While you are driving in the lane next to the curb on a multi-lane road the car on your left suddenly moves toward you lane. they are about toy crash into your front fender. you

The mantle is made up of which structural zones?

Why do different substances have diffrent properties