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3 years ago

PLEASE ANSWER QUICK!! 3. Fill in the chart below to identify the properties of shape and volume for each type of matter.

Physics

1 answer:

Lady_Fox [76]3 years ago

6 0

Answer:

Shape / Volume

Solid Definite (holds shape) / Definite (fixed volume)

Liquid No definite shape (takes the shape of the container) / Definite (fixed volume)

Gas No definite shape (takes the shape of the container) / No definite volume (takes the volume of the container, but will expand indefinitely if not contained)

Explanation:

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3 years ago

What is the definition of physics

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2 years ago

A gun shoots a bullet with a velocity of 500 m/s. The gun is aimed horizontally and fired from a height of 1.5 m. How far does t

MrMuchimi

The bullet travels a horizontal distance of 276.5 m

The bullet is shot forward with a horizontal velocity $u_x$ . It takes a time t to fall a vertical distance y and at the same time travels a horizontal distance x.

The bullet's horizontal velocity remains constant since no force acts on the bullet in the horizontal direction.

The initial velocity of the bullet has no component in the vertical direction. As it falls through the vertical distance, it is accelerated due to the force of gravity.

Calculate the time taken for the bullet to fall through a vertical distance y using the equation,

$y=u_yt+\frac{1}{2} gt^2$

Substitute 0 m/s for $u_y$ , 9.81 m/s²for g and 1.5 m for y.

$y=u_yt+\frac{1}{2} gt^2\\ 1.5 m=(0m/s)t+\frac{1}{2} (9.81m/s^2)t^2\\ t=\sqrt{\frac{2(1.5m)}{9.81m/s^2} } =0.5530s$

The horizontal distance traveled by the bullet is given by,

$x=u_xt$

Substitute 500 m/s for $u_x$ and 0.5530s for t.

$x=u_xt\\ =(500m/s)(0.5530s)\\ =276.5m$

The bullet travels a distance of 276.5 m.

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3 years ago

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3 years ago