Answer:
"look for a large stripe or a minus sign (or both) on one side of the capacitor."
Explanation:
i hope it helped :)
Answer: Three forces act significantly on a freely floating helium-
filled balloon: gravity, air resistance (or drag force), and a
buoyant force.
Explanation:
The air pressure on the bottom of the balloon is slightly higher than the air pressure on the top of the balloon (because of the altitude difference). This difference gives rise to the bouyant force. This force competes with gravity as the two main forces acting on the balloon. Every time your feet hit the ground when you are running, the ground hits your feet with an equal and opposite force. Newton’s third law explains how balloons and rocket engines work. When the neck of an inflated balloon is released, the stretched rubber material pushes against the air in the balloon. The air rushes out of the neck of the balloon.
Explanation:
Problem 1.
Initial speed of the runner, u = 0
Acceleration of the runner, 
Time taken, t = 100 s
Let v is the speed of the runner now. Using the first equation of kinematics as :



v = 420 m/s
Problem 2.
Initial speed of the plane, u = 0
Distance covered, d = 300 m
Time taken, t = 25 s
Using the equation of kinematics as :





Problem 3.
A ball free falls from the top of the roof for 5 seconds. Let it will fall at a distance of d. It is given by :


d = 122.5 meters
Let v is the final speed at the end of 5 seconds. Again using first equation of kinematics as :


v = 49 m/s
Hence, this is the required solution.
The refrigerator has consumed more energy
Explanation:
The relationship between power and energy consumed by a device is given by

where
E is the energy
P is the power
t is the time elapsed
For the refrigerator, we have
P = 90 W

Therefore the energy consumed is

For the hair dryer, we have
P = 900 W

Therefore the energy consumed is

Therefore, the refrigerator has consumed more energy.
Learn more about power:
brainly.com/question/7956557
#LearnwithBrainly