the correct answer is C hope this helps a little
Answer:
Explanation:
Incandescent bulbs are extremely inefficient because 90% of the energy is wasted as heat, with only 10% being converted to visible light. This gives incandescent bulbs a luminous efficiency rating of around 2%. Ultimately, incandescent bulbs perform better as heaters than as light sources.
Answer:
D
Explanation:
Think about like charges meaning the charge is the same.
Which only D has two charges and are the same, positive will repel against positive charge so select D.
Answer:
Explanation:
F = Force
C = Drag coefficient equal for both aircrafts
ρ = Density of air
A = Surface area equal for both aircrafts
v = Velocity
Dividing the above two equations we get
The ratio of the drag forces is
Answer: magnitude= 2 m/s/s
Explanation: I goes up 2 every second