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Karolina [17]
3 years ago
13

How does an atom of bromine-79 become a bromide ion with a -1 charge?

Physics
1 answer:
Tanzania [10]3 years ago
3 0

a the atom loses 1 proton to have a total of 34

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What is the magnetic field amplitude of an electromagnetic wave whose electric field amplitude is 10v/m?
Nitella [24]

Answer:

3.33\cdot 10^{-8} T

Explanation:

For an electromagnetic wave, the relationship between magnetic field amplitude and electric field amplitude is given by

E=cB

where

E is the amplitude of the electric field

c is the speed of light

B is the amplitude of the magnetic field

For the electromagnetic wave in this problem, we have

E = 10 V/m is the amplitude of the electric field

So if we solve the formula for B, we find the amplitude of the magnetic field:

B=\frac{E}{c}=\frac{10 V/m}{3\cdot 10^8 m/s}=3.33\cdot 10^{-8} T

4 0
3 years ago
HELP ASAPPPPPPP !!!!!!!!!
Misha Larkins [42]
The answer is hydrogen
3 0
3 years ago
Georgie was pulling her brother (of mass 16 kg) in a 9.4 kg sled with a constant force of 39 N for one block (128 m). How much w
Genrish500 [490]

Answer:

4992 J

Explanation:

Force, F = 39 N

Distance, s = 128 m

Work done = force x distance

W = 39 x 128

W = 4992 J

Thus, the work done is 4992 J.

7 0
3 years ago
What the Ph measures??
Elenna [48]
PH measures the concentration of hydrogen ions (H^{+}) in a solution. Knowing this, you can determine how acidic -or basic- your solution is.
5 0
3 years ago
If a fuse or circuit breaker directly opens a circuit when the current limit is reached, do overload heaters open and break the
OLEGan [10]

Answer:

No

Explanation:

No, overload heaters do not open to break the circuit  when their current limit is reached. These are safety device to prevent over heating.

Thermal overload relays in a motor are intended to protect the conductors (windings). Such safety devices are made to maintain the current flow in a circuit at a safety level so as to avoid overheating of the circuitry conductors. And the excess of current is often called as over current.

3 0
3 years ago
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