Answer:
correct answer is 30 cm as light-gathering power will be better
Explanation:
given data
one aperture have = 20 cm
other aperture have = 30 cm
solution
while we shopping online for buying telescope, we will choose here aperture of 30 cm because as the larger is the lens it will be make here clearer the image so here in both aperture of 20 cm or 30 cm , 30 cm have higher length
so correct answer is 30 cm as light-gathering power will be better
Answer:
<h2>
Greenhouse gases absorb and emit radiation and less heat dissipates to space</h2>
Explanation:
when heat is trapped it is conducted to the trapped area and gradually heats up its surrounding
The final speed of the SUV given the data from the question is 9.79 m/s
<h3>Data obtained from the question</h3>
- Mass of car (m₁) = 1200 Kg
- Velocity of car (v₁) = 5 m/s
- Mass of SUV (m₂) = 2600 Kg
- Velocity of SUV (v₂) = 12 m/s
- Final velocity (v) =?
<h3>How to determine the final velocity of SUV</h3>
From conservative of linear momentum,
momentum before impart = momentum after impart
m₁v₁ + m₂v₂ = v(m₁ + m₂)
Thus, we shall determine the final velocity of the SUV by obtaining the velocity after impart. This can be obtained as follow:
v = (m₁v₁ + m₂v₂) / (m₁ + m₂)
v = [(1200 × 5) + (2600 × 12)] / (1200 + 2600)
v = [(6000 + 31200)] / 3800
v = 37200 / 3800
v = 9.79 m/s
Thus, the final velocity of the SUV is 9.79 m/s
Learn more about momentum:
brainly.com/question/250648
#SPJ1
Question one :sound Energy
Question two :light and thermal energy
I hope this helps you
A little bit I can do
