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3 years ago

Which of the following is the best description of the term resultant displacement

Physics

1 answer:

Harrizon [31]3 years ago

5 0

Answer:

The resultant displacement is the sum of displacement vectors

Explanation:

The vector sum of two or vectors is know as resultant .

The resultant displacement is the result of when displacement vectors are added.

If the vector quantities are same then the two vectors can be added.

The resultant velocity is obtained by adding two or more velocity vectors.

In displacement vector the position will change.

The direction traveled is the direction of the displacement vector .

The magnitude of the displacement vector is the distance from starting point to the ending point.

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Read 2 more answers

A metal can containing condensed mushroom soup has mass 215 g, height 10.8 cm, and diameter 6.38 cm. It is placed at rest on its

s344n2d4d5 [400]

Answer:

Part a)

Moment of inertia of the cylinder is given as

$I = 1.21 \times 10^{-4} kg m^2$

Part B)

Height of the cylinder is of no use here to calculate the inertia

Part C)

Since we don't know about the viscosity data of the soup inside the cylinder so we can't say directly about the moment of inertia of the cylinder as $I = 1/2 mR^2$

Explanation:

As we know that the inclined plane is of length L = 3 m

and its inclination is given as 25 degree

so we know that acceleration of center of mass of the cylinder is constant so we will have

$v_f^2 = v_i^2 + 2 a L$

so we have

$v_f^2 = 0 + 2a(3)$

now we know that

$v_{avg} = \frac{L}{t} = \frac{v_f + v_i}{2}$

$\frac{3}{1.50} = \frac{v_f + 0}{2}$

$v_f = 4 m/s$

Now we have know that final speed of the cylinder due to pure rolling is given as

$v_f = \sqrt{\frac{2gH}{1 + \frac{I}{mR^2}}}$

$4 = \sqrt{\frac{2(9.81)(3 sin25)}{1 + \frac{I}{0.215(0.0319)^2}}}$

$I = 1.21 \times 10^[-4} kg m^2$

Part B)

Height of the cylinder is of no use here to calculate the inertia

Part C)

Since we don't know about the viscosity data of the soup inside the cylinder so we can't say directly about the moment of inertia of the cylinder as $I = 1/2 mR^2$

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3 years ago

Temperature is a measure of work.<br> True<br> False

Veseljchak [2.6K]

The answer is false.

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