Answer:
It is the best angular resolution the telescope could achieve with perfect optical quality and in the absence of atmospheric distortion.
Explanation:
When looking through a telescope or microscope due to imperfections of the lenses or misalignment, two sources may appear. The angular space between these two sources can be found by calculating the wavelength of the light observed divided by the diameter of the telescope.
Answer:
When an object moves in a straight line with a constant acceleration, you can calculate its acceleration if you know how much its velocity changes and how long this takes.
The formula is,
Acceleration = change in velocity / time taken
The equation for acceleration can also be represented as:
a = (v-u) \ t
The change in velocity v – u = 5 – 0 = 5 m/s.
The acceleration = change in velocity ÷ time = 5 m/s ÷ 2 s = 2.5 m/s^2
Answer:
42.7m
Explanation:
Given:
h'= 1.8 m
r= 1.5 m
ω = 3 rev/s
ω = 3 ₓ 2 π rad/s =>6 π rad/s
Speed of the ball 'V' when it releases from the rope is given by,
V= ω x r
V= 6 π x 1.5
V=28.3 m/s
As we know that acceleration due to gravity always in downward direction.
The final speed will be zero
h = 40.8 m
So the height from the ground,H = h' + h
H= 40.8 + 1.8 =42.7m