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fredd [130]
3 years ago
8

Which best describes a radioactive isitope

Physics
1 answer:
tatyana61 [14]3 years ago
5 0

Answer:

The atoms that contain an unstable combination of neutrons and protons, or excess energy in their nucleus

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In a series circuit, when batteries are added to the circuit the voltage will _____ and the current will _____.
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Answer: voltage, explode is the answers

Explanation:

Bc of the device for each  server

5 0
3 years ago
calculate the period of a wave whose frequency is 5 Hertz and whose wavelength is one centimeter give your answer in a decimal f
olga2289 [7]
The period of the wave is the reciprocal of its frequency.

       1 / (5 per second)  =  0.2 second .

The wavelength is irrelevant to the period.  But since you
gave it to us, we can also calculate the speed of the wave.

Wave speed = (frequency) x (wavelength)

                   = (5 per second) x (1cm)  =  5 cm per second
4 0
3 years ago
3. How can we determine the volume of a regular object?
JulsSmile [24]
Length•Width•Height is the answer
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A dog is walking at 2m/s and then begins to run at a speed of 6m/s. What is his acceleration if his total travel time is 2 secon
fiasKO [112]
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First list your given information

2m/s Is your initial velocity (vi)
6m/s is you final velocity (vf)
2 seconds is your time (t)

Since you want the a for acceleration get a by itself

a = (vf-vi)/t

So a= (6-2)/2

a= 4/2

a=2

Now units

the units for acceleration are m/sx^{2}

2m/sx^{2}
7 0
3 years ago
The main difference between speed and velocity involves
AysviL [449]
Direction. Velocity is a vector that describes both speed and direction, while speed is a scalar that describes only speed regardless of direction.
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