Answer:

Explanation:
We are given that
Gravitational force=
r=0,U(0)=0
We know that
Gravitational potential energy=


Substitute r=0 ,U(0)=0


Substitute the value

Answer:
D wavelength
Explanation:
The different wavelengths determine the color.
Answer:
The Principle of Progression
(I searched it up since I never learned this)
Explanation:
The principle of progression states that a person should start slowly and increase exercise gradually. Since Mandy is just getting started on her exercise routine, she should begin with a few workouts over a large span of time, then work her way up so she can do more workouts in a shorter span of time.
Answer:
it is light
Explanation:
the arrow that says light is on the glass it must be near from tungsten
Answer:
25N
Explanation:
100 - 75 = 25
That should be right if im not dumb...