Answer:
Explanation:
The centripetal force acting on the car must be equal to mv²/R, where m is the mass of the car, v its speed and R the radius of the curve. Since the only force acting on the car that is in the direction of the center of the circle is the frictional force, we have by the Newton's Second Law:
But we know that:
And the normal force is given by the sum of the forces in the vertical direction:
Finally, we have:
So, the minimum value for the coefficient of friction is 0.27.
Answer:
the body has linear acceleration, but cannot rotate
Explanation:
Let's analyze the system
If the torque is zero, the two forces are the same magnitude, but applied to each side of the body in such a way that the torque cancels the punch of the other. Therefore the body cannot turn
The two forces go in the same direction so the object can have linear acceleration
The object is at rest because it has a force in the same direction, but in the opposite direction.
therefore the correct answer is:
the body has linear acceleration, but cannot rotate
You can think of a magnet<span> as a bundle of tiny </span>magnets<span>, </span><span> that are jammed together. Each one reinforces the </span>magnetic<span> fields of the others. Each one has a tiny north and south pole. </span>If you cut<span> one in </span>half<span>, the newly </span>cut<span> faces will become the new north or south poles of the smaller pieces.
</span>
So the answer is D
When your'e in space you feel weightless blc there's no grsvity in space.
Answer:
Psychological Disorder refers to the cessation of an individual ability to distinguish between emotions or behavior,cognition skills.
<u>The Four D's of a person displaying psychological disorder is </u>
- Deviance
- Dysfunction
- Distress
- Danger
<u>Normal Mental Health:</u>According to the <u>World Health Organization(WHO)</u> an individual is said to have normal mental health if he/she is able to cope up with day to day stress of his life ,is able to work in a progressive manner, and is able to contribute to the society in a productive way
