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m_a_m_a [10]
3 years ago
14

Can you overcharge a car battery with a charger

Physics
1 answer:
Nookie1986 [14]3 years ago
6 0
<span> If </span>you<span> leave the </span>charger<span> connected continuously, even at a mere 2 amps, the </span>battery<span> eventually will die. </span>Overcharging<span> a </span>battery<span> causes excessive gassing — the electrolyte gets hot and both hydrogen and oxygen gas are generated. ... On sealed batteries, the buildup of gases could cause the </span>battery<span> to burst.</span>
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The mass of a star can be determined by studying ___.
Citrus2011 [14]
Answer: C. Binary star systems

Let’s see your options:

a) The <em>color of the star</em>: the color is not used in calculating the mass of a star, because it has no relation to it. Think about a red supergiant and a red dwarf: they have the same color, but they are completely different stars, with respectively a big and a small mass.

b) <em>Kepler’s laws</em>: these laws can be applied in what is called the “approximation of 1 body”, which means that is assumed that one body has a much bigger mass than the other and can be considered at rest. This is the case of a star-planet system and the mass that can be calculated is that of the planet.

c)<em> Binary star systems</em>: these are the only cases in which is possible the direct measure of the mass of the stars. Binary systems are classified as follows:
- Visual binaries: each star can be resolved and the motion around the center of mass can be measured.
- Astrometric binaries: only one star is visible, but the presence of the companion can be inferred by the movement of the first star around the system’s center of mass.
- Eclipse binaries: the two stars are not resolved (separated), but the luminosity varies periodically when one star eclipses the other.
- Spectroscopic binaries: the two stars are not resolved, but their spectrum reveals that they are a binary system.
In all these cases we have a “two-body problem” that can be solved by changing system of reference: the motion of bodies 1 and 2 is equivalent to the motion of a body of mass equal to the system’s reduced mass \mu =  \frac{M_{1} \cdot M_{2}}{M_{1} + M_{2}} moving in the potential generated by the total mass (M1 + M2) considered at rest. Hence, we can determine the masses of the two stars. 
4 0
3 years ago
Read 2 more answers
You place a +1.00 mC charged object in an electric field of 900 N/C that points due East. Determine the magnitude and direction
Kay [80]

Answer:

0.9 N, east

Explanation:

charge, q = 1 mC = 0.001 C

Electric filed, E = 900 N/C due east

Force, F = q E

F = 0.001 x 900

F = 0.9 N

The direction of force is same as the direction of electric field as the charge is positive in nature. So, the direction of force is also east.

3 0
3 years ago
What happens when you combine purple and yellow?
Nana76 [90]
Umm You make brown lol
3 0
3 years ago
Andre, whose mass is 77.1 kg, sits on a diving board above a dunk tank. If he is sitting 0.90 m above the water, what is his tot
Ganezh [65]

Answer:

680 J

Explanation:

Mechanical energy = potential energy + kinetic energy

ME = PE + KE

ME = mgh + ½ mv²

ME = (77.1 kg) (9.8 m/s²) (0.90 m) + ½ (77.1 kg) (0 m/s)²

ME = 680 J

8 0
3 years ago
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In an element's square on the periodic table, the number with the greatest numerical value represents the
Irina-Kira [14]

Answer: Atomic mass

Explanation:

I took the test!

your welcome

8 0
3 years ago
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