3 years ago

The property that describes how radily a substance combines chemically with other substances is _____________

Physics

1 answer:

goldfiish [28.3K]3 years ago

4 0

This is reactivity. It describes how easily one substance reacts with another

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25N
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2 years ago

Changing the length of an air column will alter its _______

bija089 [108]

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3 years ago

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For a vehicle to negotiate a banked curve in poor weather conditions, where the force of friction f = 0, for a given velocity v

djverab [1.8K]

Answer:

$R=240m$

Explanation:

From the question we are told that:

Velocity $v=25m/s$

Force of friction f = 0

Angle $\theta=15$

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3 years ago

Define density and give its SI unit

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Density is defined as mass per unit volume. its SI unit is: kg/m³

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1 year ago

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Vector A has magnitude of 15.0 m/s and is 75° counter-clockwise up from the x-axis. What are the x- and y-components of the vect

LiRa [457]

Answer:

x component 3.88 y- component 14.488

Explanation:

We have given a vector A which has a magnitude of 15 m/sec which is at 75° counter-clock wise ( anti-clock wise) from x -axis which is clearly shown in bellow figure

Now x-component will be 15 cos75°=3.8822 ( as it makes an angle of 75° with x-axis )

y- component will be 15 sin 75°=14.488

For verification the resultant of x and y component should be equal to 15

So $resultant =\sqrt{14.488^2+3.88^2}=15$

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3 years ago