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3 years ago

Of the following example of matter, which is a liquid?

Physics

2 answers:

m_a_m_a [10]3 years ago

6 0

The paint is a form of a liquid.
So the answer is a paint brush out of a can onto a wall
Good luck clever master!

koban [17]3 years ago

3 0

Paint brushed out of a can onto a wall

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Which of the following is not a physical property of mattera. melting pointb.heat of combustionc. viscosityd. boiling point

NNADVOKAT [17]

Answer:

The Correct Answer is Heat of Combustion

Explanation:

6 0

3 years ago

A vector d has a magnitude of2.6 m and points north. What are the magnitudes and directions of the vectors (a) - d, (b) d/2.0, (

AleksandrR [38]

Solution :

A vector is defined as an element that has magnitude of some measure and direction.

It is given there is vector 'd' which has magnitude 2.6 m and its direction is towards north.

a). -d

The magnitude of the vector '-d' is 2.6 m and its direction is reversed, i.e. its direction is towards south.

b). d/2.0

The magnitude of the vector 'd/2.0' is 1.3 m and its direction is towards north.

c). - 2.5d

The magnitude of the vector increases by 2.5 times i.e. 2.5 x 2.6 = 6.5 m and the direction is towards south.

d). 5.0d

The magnitude of the vector increases by 5 times i.e. 5 x 2.6 = 13 m and the direction is towards north.

4 0

3 years ago

You need to design a banked curve at the new circular Super 100 Raceway. The radius of the track is 800 m and cars typically tra

uysha [10]

Answer:

$33.1^{\circ}$

Explanation:

Let's start by writing the equations of the forces along the two directions:

- Vertical:

$N cos \theta = mg$

where

N is the normal reaction

$\theta$ is the angle between the road and the horizontal

(mg) is the weight of the car, with m being its mass and g the acceleration of gravity

- Horizontal:

$N sin\theta = m \frac{v^2}{r}$

where

v is the speed of the car

r is the radius of the turn

Dividing the 2nd equation by the 1st one, we get:

$tan \theta = \frac{v^2}{rg}$

In this problem:

$r = 800 m$ (radius of the turn)

$v=160 mi/h = 71.5 m/s$ is the speed

$g=9.8 m/s^2$

Substituting, we find:

$\theta= tan^{-1} (\frac{v^2}{rg})=tan^{-1}(\frac{(71.5)^2}{(800)(9.8)})=33.1^{\circ}$

8 0

4 years ago

The _______ principle encourages us to resolve a set of stimuli, such as trees across a ridgeline, into smoothly flowing pattern

kotegsom [21]

Answer:

The answer is continuity ( D )

Explanation:

PLZ MARK AS BRAINLIEST

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3 years ago

The work of Niels Bohr relied on the assumption that: Select the correct answer below: an electron should continuously spiral in

Mars2501 [29]

Answer:

the electron only emits electromagnetic radiation when it descends to a lower-energy orbit

Explanation:

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3 years ago