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____ [38]
3 years ago
12

A car drives around a curve with a radius of 42 m at a velocity of 24 m/s. What is the centripetal acceleration of the car?

Physics
2 answers:
defon3 years ago
8 0
Hope this helps you.

Vaselesa [24]3 years ago
4 0

14!!!!!!!!!!!!!!!!!!!!

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A flat surface is in a uniform magnetic field. Given only the area of the surface and the magnetic flux through the surface, it
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Answer:

Given the area A of a flat surface and the magnetic flux through the surface \Phi it is possible to calculate the magnitude \frac{\Phi}{A}=B\ cos \theta.

Explanation:

The magnetic flux gives an idea of how many magnetic field lines are passing through a surface. The SI unit of the magnetic flux \Phi is the weber (Wb), of the magnetic field B is the tesla (T) and of the area A is (m^{2}). So 1 Wb=1 T.m².

For a flat surface S of area A in a uniform magnetic field B, with \theta being the angle between the vector normal to the surface S and the direction of the magnetic field B, we define the magnetic flux through the surface as:

                                                     \Phi=B\ A\ cos\theta

We are told the values of \Phi and B, then we can calculate the magnitude

                                                      \frac{\Phi}{A}=B\ cos\theta

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3 years ago
A falling object accelerates from -10.0 m/s to -30.0 m/s. how much time does it take?
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Answer:

2.04 s

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v = at + v₀

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t = 2.04 s

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