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3 years ago

What does your slope stand for?

1 answer:

5 0

Hi! ;D

the slope of the line tells us the rate of change of y relative to x. If the slope is 2, then y is changing twice as fast as x; if the slope is 1/2, then y is changing half as fast as x, and so on. ... In other words, if the line is near vertical then y is changing very fast relative to x.

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An empty water tank has a rectangular base with side lengths of 1.2 m and 2.3 m. The weight of the tank applies a pressure of 35

LekaFEV [45]

Answer:

Weight = 966 Newton.

Explanation:

Given the following data;

Length = 1.2 m

Width = 2.3 m

Pressure = 350 Pa

To find the weight of the tank;

We know that weight is the force of gravity acting on an object multiplied by its mass.

Weight = mg = force

Hence, we would determine the force using the parameters that were given.

But we would first determine the area of the rectangular tank.

Area of rectangle, A = length * width

A = 1.2 * 2.3

A = 2.76 m²

Mathematically, pressure is given by the formula;

Pressure = force/area

Force = pressure * area

Substituting into the formula, we have;

Force = 2.76 * 350

Force = 966 Newton

Therefore, the weight of the tank is 966 Newton.

5 0

3 years ago

Light travels through a vacuum at a speed of 3 x 10 m/s. What is the speed of

Andrew [12]

Answer:

v = c / n (n = 1 for air)

v = c / 1.33 = 3 * 10E8 m/s / 1.33 = 2.25 * 10E8 m/s

3 0

3 years ago

What is the energy in the spark produced by discharging the second capacitor? 1. The same as the discharge spark of the first ca

Nastasia [14]

Complete Question

The two isolated parallel plate capacitors be- low, one with plate separation d and the other with D > d, have the same plate area A and

are given the same charge Q.

What is the energy in the spark produced by discharging the second capacitor?

1. The same as the discharge spark of the first capacitor

2. More energetic than the discharge spark of the first capacitor

3. Less energetic than the discharge spark of the first capacitor

Answer:

The correct option is 2

Explanation:

The formula for the energy stored in the capacitor is

$U = \frac{Q^2}{2C}$

And generally the formula for finding the capacitance of a capacitor is

$C = \frac{\epsilon_oA}{d}$

We can denote the capacitance of the first capacitor as $C_1 = \frac{\epsilon_oA}{d}$

and denote the capacitance of the second capacitor as $C_2 = \frac{\epsilon_oA}{D}$

Looking at this formula we can see that C varies inversely with d

as D > d it means that $C_1 > C_2$

Since the charge is constant

$U\ \alpha\ \frac{1}{C}$ i.e U varies inversely with C

So $C_1 > C_2$ => $U_2 >U_1$

This means that the energy of spark would be more for capacitor two compared to capacitor one

The correct option is 2

6 0

4 years ago

Define reference point <br><br><br>plz help me

xeze [42]

Answer:

a basis or standard for evaluation, assessment, or comparison; a criterion.

Explanation:

Definition of reference point. : something that is used to judge or understand something else The professor used the study as a reference point for evaluating and discussing other theories.

8 0

3 years ago

Read 2 more answers

An office worker has his lunch on the 53rd floor of an office building. In which case is the gravitational potential energy of t

alekssr [168]

Answer: In all cases, gravitational potential energy, respect from a common reference level (street level for instance) is the same.

Explanation:

Gravitational potential energy, comes from the action of the gravitational field, which is a conservative one.

This means, that if someone does work against the field (for instance lifting a weight from the ground to a given height), and then drops the weight, the work done by the field will be exactly the same.

Otherwise, the object would have remaining energy after returning to the starting point, which would violate the laws of physics, specially Thermodynamic's 2nd Law.

For this reason, the gravitational potential energy only depends from the height, and is independent from the path taken to reach there.

0 0

4 years ago

What does your slope stand for?​

What does your slope stand for?