Proxima Centauri is approximately 4x1013 kilometers away from the sun. Which multiplies up to 40,000,000,000,000 km. Hope I helped! Thanks for asking us here at Brainly! Feel free to ask more questions at anytime!
Answer:
62.6 m/s down
Explanation:
Taking downward to be positive:
Given:
v₀ = 0 m/s
Δy = 200 m
a = 9.8 m/s²
Find: v
v² = v₀² + 2aΔy
v² = (0 m/s)² + 2 (9.8 m/s²) (200 m)
v = 62.6 m/s
Answer:
(a) 1782 Hz (b) 2178 Hz
Explanation:
The predominant frequency =1980 Hz
The speed of the police car =34.3 m/sec
The speed of sound in air =343 m/sec
(a) When the car moves towards you
According to Doppler's effect
(b) When the car moves away from you
Answer:
Potential
Explanation:
The most accurate term is Electrostatic potential energy
It's named like this because the force between charges or electrons is called electrostatic force .
Answer: Fluorine
Explanation: The reason being is because... Since Fluorine has a great amount of electromagnetically it reacts at greater amounts. than phosphorus.