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3 years ago

the maximum displacement of a particle, within a wave, above or below its equilibrium position, is called__________

Physics

2 answers:

Travka [436]3 years ago

7 0

It’s called the amplitude

Gre4nikov [31]3 years ago

3 0

Answer:

the amplitude.

Explanation:

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A 50g man is walking at a speed of 4m/s. what is the kinetic energy of the walker?

Phantasy [73]

We have: K.E. = 1/2 mv²
Here: m = 50 g = 0.05 Kg
v = 4 m/s

Substitute their values,
K.E. = 1/2 * 0.05 * 4²
K.E. = 1/2 * 0.05 * 16
K.E. = 0.4 J

In short, Your Answer would be 0.4 Joules

Hope this helps!

4 0

4 years ago

The fundamental resolution of an optical instrument is set by __________.

inysia [295]

Answer:C . The wave nature of light.

Explanation: The wave nature of light has been described in the refraction and diffraction of light when it comes in contact with a prism.

Wave nature of light has been described through this equation C= velocity( measured in meters per second square), Wavelength (lambda) which is the distance between successive antinodes or nodes,it is measured in meters. and Frequency is the number of times light waves pass through a point in one second, usually measured in Hertz(Hz)

Below is a

Thin-lens equation (also works for mirrors)

1/f=1/u+1/v

Where f is the focal length, u is distance of object,v is the distance between the optical centre and the image of the object.

6 0

3 years ago

The ms = 0.5645 and mk=0.1113 for a 30 N box on level ground. What level force is needed to start the box moving

nevsk [136]

Answer:

16.935 N

Explanation:

In order to make the box start moving, the level force applied on the box (F) must be greater than the force of static friction that keeps the box at rest, which is equal to

$F_f = \mu_s (mg)$

where

$\mu_s = 0.5645$ is the coefficient of static friction

(mg) = 30 N is the weight of the box

Therefore, the condition for F must be:

$F \geq F_f\\F \geq \mu_k (mg)=(0.5645)(30 N)=16.935 N$

So, the applied force must be greater than this value.

3 0

4 years ago

The pressure of 5.0 l of gas increases from 1.50 atm to 1240 mmhg. what is the final volume of the gas, assuming constant temper

garik1379 [7]

First we need to convert everything into SI units.

The initial volume of the gas is (keeping in mind that $1 L = 0.001 m^3$ :
$V_i = 5.0 L = 0.005 m^3$

The initial pressure of the gas is (keeping in mind that $1 atm = 1.01 \cdot 10^5 Pa$ :
$p_i = 1.50 atm=1.52 \cdot 10^5 Pa$

The final pressure of the gas is (keeping in mind that $760 mmHg = 1 atm=1.01 \cdot 10^5 Pa$ )
$p_f = 1240 mmHg = 1.65 \cdot 10^5 Pa$

At constant temperature, the product between pressure and volume of the gas is constant, so we can write
$p_i V_i = p_f V_f$

from which we find the final volume of the gas:
$V_f = \frac{p_i V_i}{p_f} = \frac{(1.52 \cdot 10^5 Pa)(0.005 m^3)}{1.65 \cdot 10^5 Pa} =0.0046 m^3 = 4.6 L$

5 0

3 years ago

Friction converts Kinetic energy to what type of energy?

Anastasy [175]

Answer: Friction between the two surfaces converts kinetic energy into thermal energy.

Explanation: Friction occurs because no surface is perfectly smooth. Rougher surfaces have more friction between them. Friction produces heat because it causes the molecules on rubbing surfaces to move faster and have more energy.

8 0

3 years ago