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n200080 [17]
3 years ago
9

Which of these statements about mixtures is true? (2 points)

Physics
2 answers:
Levart [38]3 years ago
7 0

Answer:

D. Mixtures are classified based on the distribution of particles in them.

Explanation:

A is wrong because mixtures are not made of elements that are bonded together chemically.

B is wrong because elements and compounds are types of pure substances.

C is wrong because pure substances are not made up of mixtures.

Please give brainliest

zavuch27 [327]3 years ago
6 0

Answer:A

Explanation:

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Two platoons line up for a tug of war. If both platoons have the same number of participants on a team, what other factor is cri
Vilka [71]

Answer:

option (c)

Explanation:

In the game of tug of war, the Newton's third law is obeyed.

One team pulls the rope in one direction and the other team pulls the rope in another direction.

As the mass of one team is more, so it is harder to pull the rope by the another team.

So, it depends on the total mass of the team.

Option (c) is correct.

7 0
3 years ago
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What equation gives the position at a specific time for an object with constant acceleration?
melisa1 [442]

Answer:

x = x_{0}+v_{0}t+\frac{1}{2}at^{2} equation gives the position at a specific time for an object with constant acceleration

Explanation:

x = x_{0}+v_{0}t+\frac{1}{2}at^{2} equation gives the position at specific time for an object having constant acceleration. Constant acceleration is referred as the change of velocity with respect to the time is known as the acceleration, but when the velocity changes occurs at constant rate this rate is termed as the constant acceleration. The constant acceleration can never be zero. The velocity changes but that change occurs in the consistently. The acceleration is affected by the mass.

6 0
3 years ago
Create a group of 3-4 students. Using your cell phone flashlight and the filter, create a "blue" flashlight, "red" flashlight, a
Korvikt [17]

Answer:

the light creates sorta a mixture of all the colors on the white index card.

4 0
3 years ago
An 8 foot metal guy wire is attached to a broken stop sign to secure its position until repairs can be made. Attached to a stake
Angelina_Jolie [31]

Answer:

Explanation:

The guy wire is making a right angled triangle  with the ground and stop sign . It makes an angle of 51 degree with the ground. In this triangle stop sign is the perpendicular and distance from the base on the ground forms the base of the triangle . Wire forms the hypotenuse.

base / hypotenuse = cos51

base = hypotenuse x cos51

= 8 x cos51

= 5.03 ft .

The distance of the stake with which guy wire was attached from the foot of the stop sign is 5.03 ft .

7 0
3 years ago
A tennis ball is tossed upward with a speed of 3.0 m/s. We can ignore air resistance. What is the velocity of the ball .40 secon
alexira [117]

Answer:

<em>Hello, The velocity of the ball is 0.92 m/s in the downward direction (-0.92 m/s).</em>

Explanation:

The equation for the velocity of an object thrown upward is the following:

v = v0 + g · t

Where:

v = velocity of the ball.

v0 = initial velocity.

g = acceleration due to gravity (-9.8 m/s² considering the upward direction as positive).

t = time.

To find the velocity of the ball at t = 0.40 s, we have to replace "t" by 0.40 s in the equation:

v = v0 + g · t

v = 3.0 m/s - 9.8 m/s² · 0.40 s

v = -0.92 m/s

The velocity of the ball is 0.92 m/s in the downward direction (-0.92 m/s).

<em>Hope That Helps!</em>

6 0
3 years ago
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