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3 years ago

A car changes its speed by 2 meters per second each second. What is its acceleration?

Physics

2 answers:

svetoff [14.1K]3 years ago

8 0

Answer:

c. 2 m/s2

is the right answer.

KatRina [158]3 years ago

4 0

Answer:

2 m/s²

Explanation:

If changes speed by 2 meters per second each second means:

2 m/s²

Because it changes constantly it veloctity.

Remember the aceleration changes the velocity.

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A velocity selector in a mass spectrometer uses a 0.150 T magnetic field. (a) What electric field strength (in volts per meter)

Alekssandra [29.7K]

Answer:

The electric field strength is $6.6\times10^{5}\ V/m$

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Given that,

Magnetic field = 0.150 T

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We need to calculate the electric field strength

Using formula of velocity

$v=\dfrac{E}{B}$

$E=v\times B$

Where, v = speed

B = magnetic field

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$E=4.40\times10^{6}\times0.150$

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