Question:
How do rechargeable batteries work?
Answer:
When a rechargeable battery is connected to electricity it changes the pressure inside and allows the rubber membrane to expand, thus releasing more energy next time its used. When plugged into the wall the electrons are sent back to rebuild the original dry cell (or metal). Rechargeable batteries are made exclusively of nitrogen which when exposed to electricity from and outlet can store a charge. When a battery is zapped by the electricity from the outlet it resets the system.
Answer:
"12.4 g/mL" would be the right solution.
Explanation:
The given values are:
Mass of the object,
= 149.8 g
Volume of the object,
= 12.1 mL
Now,
The Density will be:
⇒ 
On substituting the given values in the above formula, we get
⇒ 
⇒ 
Answer:
right after jumping so 0s and as it falls its speed will keep increasing
Explanation:
"Unknown, unspecified, unillustrated, undepicted, undescribed, undemonstrated, undefined, potentially non-existent."
Answer:
Explanation:
Balance force ( W ) = 85 N
a) moving upward with constant velocity (V ) = 7.9 m/s.
The reading will not change since it is moving with constant velocity
W = 85 N
b) Moving upward with V = 7.9 m/s and decelerating at the rate of (a ) = 1.1 m /s²
The net force ( F ) = W - ma
where m = W/g = 85/9.81 = 8.6646 kg
F = 85 - 8.6646 * 1.1 = 75.4689 N
