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Daniel [21]
3 years ago
8

If one liquid is poured into another liquid, which would demonstrate transfer of energy in the form of heat?

Physics
1 answer:
klemol [59]3 years ago
5 0

Answer:

I think I'd say B I'm not very Sure if I'm right.

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A car owner forgets to turn off the headlights of his car while it is parked in his garage. If the 12.0-V battery in his car is
luda_lava [24]

Answer:

It will take time=7.963 hours to completely discharge  

Explanation:

The energy available in the battery is:

Energy stored=Power×Time

Energy stored=(ΔV)I×t  

Energy stored=(12.0V×43.0A.h)

Energy stored=516 W.h

The two headlights together consume a total power of:

P=2*32.4W\\P=64.8W

So the time required to completely discharge is:

time=\frac{Energy.stored}{P}\\ time=\frac{516 W.h}{64.8W}\\ time=7.963hours

It will take time=7.963 hours to completely discharge  

3 0
4 years ago
Read 2 more answers
What is the triboelectric effect?
SSSSS [86.1K]

Answer:

The triboelectric effect is an electrical phenomenon where certain materials become electrically charged after coming into contact with another, different, material. The polarity and strength of the charges produced differ according to material and surface smoothness.

Explanation:

The triboelectric effect causes an electrostatic charge to build up on the fur due to the cat's motions. The electric field of the charges results in a slight attraction of the light plastic pieces to the charged fur. The triboelectric effect is also the cause of static cling in clothes.

I hope this helps, if it doesn't then just message me and ill be more than happy to help :)

6 0
2 years ago
Carlos is making phosphorous trichloride using the equation below. He adds 15 g of phosphorus.
Degger [83]
Given:

The balanced chemical reaction of the synthesis of phosphorus trichloride:

2P + 3Cl2 ===> 2PCl3

Initial amount of phosphorus = 15 grams

The amount of product produced from 15 grams of phosphorus:

15 grams / 31 g/mol * (2/2) = 66.46 grams PCl3 

The amount of chlorine is 44.31 grams, nearest to 45 grams. 
8 0
4 years ago
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3) A tolley of mass 4kg, moving with a velocity
Leokris [45]

Answer:

3.57 m/s

Explanation:

The sum of the 2 momentums Is equal the finale momentums. so if momentums Is q, v Is velocity and m Is Mass, q3=m1*v1+m2**v2=16+9=25 m*kg/s

q3=m3*v3

v3=q3/m3=25/(4+3)=3.57m/s

8 0
3 years ago
A train travels 69 kilometers in 3 hours, and then 51 kilometers in 2 hours. What is its average speed? Your Answer: Question 14
tamaranim1 [39]
Average speed = (total distance covered) / (time to cover the distance)

Total distance = 69 km + 51 km = 120 km

Total time = 3 hrs + 2 hrs = 5 hrs

Average speed = (120 km) / (5 hrs) = 24 km/hr 
5 0
3 years ago
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