For instance, when the red lights are flashing , it simply means to stop, while the green light means that the vehicle can continue to move, and yellow light means to be at alert to move.

Read more on traffic rules here:

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2 years ago

Which body system is responsible for bringing oxygen into the body?

____ [38]

The respiratory system

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3 years ago

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A truck is moving around a circular curve at a uniform velocity of 13 m/s. If the centripetal force on the truck is 3,300 N and

Paladinen [302]

Answer: Option B.

Since here the truck is moving on a circular track, it will experience centripetal force.

F(centripetal) = m × acc
or
$r = \frac{m v^{2}}{F}$

where r is the radius of the track.
m is the mass of truck
v is the speed of the truck.
Given: v = <span>13 m/s
m = </span><span>1,600 kg
</span>F = 3300 Newton

To find = radius of track=?
$r = \frac{m v^{2} }{F}$
$r = \frac{1600*13*13}{3300}$
r = 81.94 m
Therefore, radius of track is 81.94 m

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3 years ago

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Define inertia, give its classification.

strojnjashka [21]

Answer:

The tendeny of a body to continue its state either motion or rest is called inertia . First law of newton also called law of inertia .

There are three types of inertia

1. Motion inertia

2. Rest inertia

3. Directional inertia

Explanation:

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2 years ago