3 years ago

Explain why a metal box does not fall through a table to the floor???

Physics

1 answer:

Neporo4naja [7]3 years ago

5 0

Answer:

the table is strong enough to hold the metal

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Two resistors, R1 = 25.0 ohms and

Leni [432]

Answer: 0.078

Explanation:

Given variables:

R1 = 25.0 , R2 = 64.0 , I1 = 0.200

Step 1: find V

0.200 = v/25

0.200 * 25 = v

5 = v

Step 2: Solve for I2

I = V/R

I = 5/64

I = 0.078125

Hope this helps!

3 0

3 years ago

A person shuffles across the rug and then place his finger near his friend's nose, causing a small spark that transfers about 10

sineoko [7]

Answer:

$n = \frac{10^{-9}C}{1.6 x10^{-19}C}= 6.25 x10^{9} electrons \approx 6.3 x10^{9} electrons$

Explanation:

For this case we know that the charge associated to the transferred electrons of the small spark is $10^{-19}C$ and we want to find the number of electrons transferred.

From the properties of matter we know that the charge of the electron is

$q_e = |-1.6 x10^{-19}C |= 1.6 x10^{-19}C$

And we know that the total charge is given by this expression:

$Q = n e$

Where Q represent the charge, n the number of electrons and e the charge of the electron.

If we solve for n we got:

$n = \frac{Q}{e}$

And replacing we got:

$n = \frac{10^{-9}C}{1.6 x10^{-19}C}= 6.25 x10^{9} electrons \approx 6.3 x10^{9} electrons$

6 0

3 years ago

What would be the Elastic Potential Energy (EPE) stored in a spring with a constant k = 200 N/m that is pulled to stretch 0.45m?

harkovskaia [24]

Answer:

During the summer, oxygen is supplied by surface winds. M/NPT 16 to 26 0.14 to 0.45 m 1/ 77.80 $ 28 Phone: 418 81-1 Fax: 418 81-2882 SZ5-2025 SZ22-200 SZ2-250 SZ24-00 12.5 x 60 12.5 x 60 12.5 x 60 8 x 10 10 x 15 10 x 20 15 x HI-950 can take measures between 0.1 C to 999.9 C/ F. K, J & T-type: The HI-9551

(Hope this is what you're asking for)

Hope this helps Have a good day

3 0

3 years ago

The chemical symbol Ca represents<br> A chlorine<br> B cesium<br> C carbon<br> D calcium

Zanzabum

Carbon................

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3 years ago

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If an object increases speed from 4 meters per second to 10 meters per second in 3 seconds, what is the acceleration of that obj

kirill [66]