Option B. Images can be real or virtual depending on the object´s placement.
If the object is to the right of the focal point the image will be virutal and if the object is to the left of the focal point the image will be real.
Answer:
5. All of the statements are true; non is false
Explanation:
Answer:
a) Obtenga el radio de la órbita del satélite (r = R +h)
Explanation:
Answer:
The force required to move the quarterback with linebacker is <u>1215 N</u>
Explanation:



Using Newton's second law, it is established that F = Ma
Where F is net force acting on the system, a is the acceleration and M is mass of the two object 
Now consider both
as a system, so net force acting on the system is 
Substitute the given values in the above formula,


Force = 1215 N
<u>1215 N </u>is the force required to move the quarterback with linebacker.