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tresset_1 [31]
3 years ago
8

The mass of an object with 500j of kenetic energy moving with a velocity of 5 m/s is

Physics
1 answer:
saw5 [17]3 years ago
7 0
The moving energy is 5,000 m/s
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A circular coil that has 100 turns and a radius of 10.0 cm lies in a magnetic field that has a magnitude of 0.0650 T directed pe
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Answer:

(a) 0.204 Weber

(b) 0.22 Volt

Explanation:

N = 100, radius, r = 10 cm = 0.1 m, B = 0.0650 T, angle is 90 degree with the plane of coil, so theta = 0 degree with the normal of coil.

(a) Magnetic flux, Ф = N x B x A

Ф = 100 x 0.0650 x 3.14 x 0.1 0.1

Ф = 0.204 Weber

(b) B1 = 0.0650 T, B2 = 0.1 T, dt = 0.5 s

dB / dt = (B2 - B1) / dt = (0.1 - 0.0650) / 0.5 = 0.07 T / s

induced emf, e = N dФ/dt

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e = 100 x 3.14 x 0.1 x 0.1 x 0.07 = 0.22 V

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Which is the largest gas that occurs in our atmosphere?
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A very long train is rolling at 4 m/s along a straight track. An observer is standing on the ground very dangerously close to th
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Answer:

A. \vec{r}=(6\frac{m}{s})t\ \ \hat{i}

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\vec{r}=\vec{v}t

r: position vector

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\vec{r}=(6\frac{m}{s})t\ \ \hat{i}

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t=\frac{d}{v}

d: distance to the observer = 300m

v: speed of the person on the car = 6.00 m/s

t=\frac{300m}{6m/s}=50s

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A soccer ball is rolling past Ramon. He kicks it in the same direction that it is rolling. What will MOST LIKELY happen? A) The
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