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Jobisdone [24]
3 years ago
15

When we press ball inside water it tries to come upwards, why​

Physics
1 answer:
bekas [8.4K]3 years ago
6 0

Answer:

hope this helps

Explanation:

an object that's less dense than water floats (eg , ball) because the water it displaces weighs more than the object does. If you've ever tried pushing a beach ball underwater , you've felt this principle in action. As we push the ball down , it pushes back up .

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A battery can be modeled as a source of emf in series, with both a resistance of 10Ωand an inductive reactance of 5
Fiesta28 [93]

Answer:

Explanation:

For circuit in resonance , inductive and capacitive reactance should be equal. Since in the given circuit ,  these two are not equal, the circuit is not in resonance. It does not depend upon voltage provided.

option b is correct.

With this load, the  fraction of the average power, put out by the source of emf,  delivered to the load can be calculated as follows

Power delivered to resistor will be 2/3 rd of total power delivered by source because resistance has value twice that of reactance of capacitor.  So the correct option is .7

option D ) is correct.

3 0
4 years ago
Need help on question b
ZanzabumX [31]

The answer is A.

A positive charge’s electric field pushes out.

Hope this helps! -Avenging

8 0
3 years ago
How far from the lens will the image of Jamie's face form?
vladimir1956 [14]
Approx. 983274984065823796374 meters away
6 0
4 years ago
The rectangular plates in a parallel-plate capacitor are 0.063 m × 5.4 m. A distance of 3.5 × 10–5 m separates the plates. The p
djverab [1.8K]

Answer:

capacitance of the capacitor = 0.18 μ  F

Explanation:

Area of the plate A = 0.063 m x 5.4 m = 0.3402 m²

distance between the plate d = 3.5 × 10–5 m

dielectric value for Teflon K = 2.1

capacitance of capacitor = ?

Formula for capacitance of parallel plate is as follows ,

C= \frac{K\epsilon_0 A}{d} (Where \epsilon_0 = 8.82 \times 10^-12\ \frac{F}{m} )

putting the values in the equation,

C = \frac{2.1\times8.82\times10^-12\times0.3402 }{3.5\times10^-5} =0.18\times 10^-6 =0.18 μ  F

4 0
3 years ago
If you plan to exercise every day what is something you can do to make it more convenient so that you exercise more regularly?
jolli1 [7]

Answer: exercise doing something you like. for example if you like dancing incorporate dancing in your workouts so you will be more likely to do it regularly

Explanation:

4 0
3 years ago
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