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3 years ago

Can you overcharge a car battery with a charger

1 answer:

Nookie1986 [14]3 years ago

6 0

If you leave the charger connected continuously, even at a mere 2 amps, the battery eventually will die. Overcharging a battery 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 battery to burst.

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Two children are pulling and pushing a 30.0 kg sled. The child pulling the sled is exerting a force of 12.0 N at a 45o angle. Th

djverab [1.8K]

Answer:

okay sooo the weight is: 294 n

the normal force is 286 n

the acceleration is: -0.38 m/s²

4 0

3 years ago

A 40 kg skier starts at the top of a 12-meter high slope at the bottom she is traveling 10 m/s how much energy does she lose fri

Iteru [2.4K]

Potential energy at top:
PE = mgh
PE = 40 x 9.81 x 12
P.E = 4,708.8 J

Kinetic energy at bottom:
KE = 1/2 mv²
KE = 1/2 x 40 x 10²
K.E = 2,000 J

P.E = K.E + Frictional losses
Frictional losses = 4708 - 2000
Frictional losses = 2708 J

The answer is D.

7 0

3 years ago

Read 2 more answers

A bullet is shot from a rifle with a velocity of 720.0 m/s what time is required for the bullet to strike a target 324.0m to the

Basile [38]

The bullet will strike the target placed in 324.0 m in the East in 0.45 seconds.

Explanation:

As we all know the epic relation between distance, speed and time; we cam easily estimate the time in which an object can reach to the destination or target.

As here in this case, we know the distance of the target and the velocity of a bullet exerted from a rifle given as follows,

Distance of the Target from the rifle edge = 324.0 m

Velocity of bullet exerted from the rifle = 720 m/s

Since we know that,

$\text {velocity}=\frac{\text {distance}}{\text {time}}$

$\text {Time}=\frac{\text {distance}}{\text {velocity}}$

We can simply implement all the values in the formula and get the results i.e the time required by the bullet to hit the target. Since both the values are in S.I units measures, we don't need to change or convert any of them. Hence,

$\text { Time }=\frac{324}{75}=0.45 \text { seconds }$

Therefore, the bullet will hit the target in 0.45 seconds.

4 0

4 years ago

"briefly summarize the different types of gas present in the disk of the galaxy, and describe how they appear when we view the g

mrs_skeptik [129]

All of the following statements are true except (3 points)stars and planets formed after the Big Bang.stars formed from remnants of broken planets.stars and planets condensed from gas and dust.heavenly bodies formed because of gravity.

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3 years ago

Which of the following statements is true? A. Matter requires energy to move and change. B. Energy cannot change from one type t

Naily [24]

A. True. Matter requires energy to move and change.

B. False. Energy CAN change from one type to another. (Like changing the chemical energy in gasoline to kinetic energy of a moving car.)

C. False. Energy need not remain where it is created. (Like generating it in an electric power station and shipping it to your house to run your hair dryer.)

D. False. It IS possible to store energy for later use. (Like in a battery.)

3 0

3 years ago