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3 years ago

The number 1 x 10^6 in scientific notation is equal to _____.

Physics

1 answer:

MrRa [10]3 years ago

4 0

1,000,000
You have to move the decimal in order to get your answer

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A centimeter is _______ meter(s).<br><br> A. 1,000<br> B. 100<br> C. 1/100th<br> D. 1/1,000th

sukhopar [10]

D. I believe. I havent done the metric system in a while.

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3 years ago

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What should a graph of the velocity vs time look like if it shows an object moving toward the motion detector at a constant spee

Basile [38]

Answer:c

Explanation:

Given

Object moving towards the motion detector at a constant speed

Constant speed indicates that there is no acceleration .

As the object is moving in a straight line therefore its velocity is same and do not changes with time

thus the correct option is c i.e. a straight line with zero slope.

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3 years ago

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The minimum charge on any object cannot be less than

BigorU [14]

Answer:

1.6 x 10^{-19} Coulombs

Explanation:

In Physics, the standard unit of measurement of a charge is Coulombs and it's denoted by C. Also, the symbol for denoting a charge is Q.

In Chemistry, electrons can be defined as subatomic particles that are negatively charged and as such has a magnitude of -1.

The minimum charge on any object such as an electron cannot be less than 1.6 x 10^{-19} Coulombs and it's usually referred to as the fundamental unit of charge.

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3 years ago

An MRI technician moves his hand from a region of very low magnetic field strength into an MRI scanner's 2.00 T field with his f

makkiz [27]

Answer:

2.62 A

Explanation:

B = 2 T, Diameter = 2.5 cm , radius, r = 0.0125 m, t = 0.45 s, r = 0.01 ohm

Induced emf, e = rate of change of magnetic flux

e = A x dB / dt = 3.14 x (0.0125)^2 x 2 / 0.45

e = 0.026 V

induced current, i = e / R = 0.026 / 0.01 = 2.62 A

7 0

3 years ago

A cord of mass 0.65 kg is stretched between two supports 8.0 m apart. If the tension in the cord is 120 N, how long will it take

DedPeter [7]

The time taken by the pulse to travel from one support to the other is 0.208 s.

<h3>Given:</h3>

The mass of the cord is m = 0.65 kg.

The distance between the supports is, d = 8.0 m.

The tension in the cord is T = 120 N.

The time taken by the pulse to travel from one support to the other is given as,

$v=\frac{d}{t}$

$t=\frac{d}{v}$

Here, v is the linear velocity of a pulse. Its value is,

$v=\sqrt{\frac{T d }{m} }$

$v=\sqrt{\frac{120 * 8}{0.65} }$

$v= 38.43 m/s$

Then,

$t=\frac{8}{38.43}$

$t=0.208 s$

Thus, the time taken by the pulse to travel from one support to the other is 0.208 s.

Learn more about tension here:

brainly.com/question/24994188

#SPJ4

7 0

2 years ago