Sublimation is the state shown in the model
A ship sailing away from you gradually goes out of sight,
starting from the bottom and moving up the sides of the ship.
The Earth is a sphere. As the ship gets farther away from
you, it's working its way around the curve of the sphere.
Since you can't see around the curve of the Earth, the
lowest point on the ship that you can see moves slowly
up the ship.
Answer:
<u>
, where v2= velocity at the end and v1= velocity in the beggining</u>
Explanation:
<u>Asuming that v=K, where k= velocity lower than 60[km/h] we can make an equation for a average speed to entire trip as follows:</u>
<u>The equation of average is:
, where v2= velocity at the end and v1= velocity in the beggining. Where v1=60 [km/h] becouse is the average velocity of half trip, and v2=k.</u>
<u>That means that jhon´s average speed decreses</u>
Answer
Acceleration
Acceleration Means rate of Change of velocity with respect to time.
acceleration due to gravity
when a body falls freely means no other force act on it except gravitational force that time velocity of object does not remains constant but it changes as it approaches towards the ground it means body get accelerated and this acceleration which is gained by the body due to gravitational force is called its acceleration due to gravity it is denoted by g. Acceleration due to gravity is different on different planet. SI unit of is m/s^2 . On earth its standard value is 9.80665m/s^2.