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GaryK [48]
3 years ago
8

Trên bóng đèn có ghi là 12v -6w. Khi đèn sáng bình thường thì dòng điện chạy qua đèn có cường độ là

Physics
1 answer:
Annette [7]3 years ago
4 0

Answer:

Xin lỗi, ở đây không có ai nói tiếng Việt, nhưng bạn có thể cuộn hết cỡ xuống dưới để tìm một trang web cho não biết nói tiếng Việt

Explanation:

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1. LAW OF SUPERPOSITION: When observing rock layers, the oldest rocks/fossils can be found at the ______________, while the youn
ziro4ka [17]

Answer:

Q1. Young rocks are found on top, and old layer are found on the bottom.

Q2. Layers of sedimentary rock. Fossil layers are fossils that formed in sedimentary rock. When, over a long time, layers and layers of sediments get deposited on top of each other, the weight of the top layers presses down on the bottom layers, forming them into rock called sedimentary rock

Explanation:

Sedimentary rocks are deposited one on top of another. Therefore, the youngest layers are found at the top, and the oldest layers are found at the bottom of the sequence.

7 0
3 years ago
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A parallel-plate capacitor is formed from two 9.1 cm-diameter electrodes spaced 1.3 mm apart. The electric field strength inside
vitfil [10]

Answer:

2.87nC

Explanation:

See attached file

6 0
3 years ago
1 m is equivalent to how many centimeters in the metric system
gladu [14]

100. A centimeter is a 100th of a meter.

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3 years ago
Different between pressure and force​
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3 0
3 years ago
What speed would a fly with a mass of 0.638 g need in order to have 74354.5 j of kinetic energy
zlopas [31]

Answer:

<em>v = 15,267 m/s</em>

Explanation:

<u>Kinetic Energy </u>

Is the type of energy of an object due to its state of motion. It's proportional to the square of the speed.

The formula to calculate the kinetic energy is:

\displaystyle K=\frac{1}{2}mv^2

Where:

m = mass

v = speed

The kinetic energy is often expressed in Joules (J)

We are given the mass of a fly m=0.638 g and we need to calculate its speed in order to have a kinetic energy of 74354.5 J.

Converting:

m=0.638 g /1000 = 0.000638 kg

To find the speed, we solve the formula for v:

\displaystyle v=\sqrt{\frac{2K}{m}}

\displaystyle v=\sqrt{\frac{2K}{m}}

Substituting:

\displaystyle v=\sqrt{\frac{2*74354.5}{0.000638}}

v = 15,267 m/s

(The fly should move faster than a rocket)

7 0
3 years ago
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