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2 years ago

8

There are_____________ centimeters in 1 meter.

2 answers:

Setler [38]2 years ago

8 0

There is 100 centimeters in a meter

ivanzaharov [21]2 years ago

6 0

Answer: 100

Explanation:

just multiply the value by 100 :)

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Is it possible for the electric field between two positive charges to equal zero along the line joining the two charges?

MrRa [10]

Answer:

Yes electric field between the line joining may be zero when both the charges are of opposite magnitude

Explanation:

Electric field due to a point charge is given by $E=\frac{1}{4\pi \epsilon _0}\frac{Q}{r^2}$

From the relation of magnitude of electric field we can see that magnitude of electric field depends upon the m,magnitude of charge and distance between them

So electric field between the line joining may be zero when both charges are of opposite magnitude ( Means if one charge is positive then other is negative )

6 0

2 years ago

An increase in temperature the kinetic energy and average speed of the gas particles. As a result, the pressure on the walls of

Cerrena [4.2K]

Answer:

a

The pressure will increase

b

$T_2 = 576^oC$

Explanation:

From the ideal gas law we have that

$PV = nRT$

We see that the temperature varies directly with the pressure so if there is an increase in temperature that pressure will increase

The initial temperature is $T_i = 10^oC = 10 + 273 = 283 \ K$

The objective of this solution is to obtain the temperature of the gas where the pressure is tripled

Now from the above equation given that nR and V are constant we have that

$\frac{P}{T} = constant$

=> $\frac{P_1}{T_1} =\frac{P_2}{T_2}$

Let assume the initial pressure is $P_1 = 1 Pa$

So tripling it will result to the pressure being $P_2 = 3 Pa$

So

$\frac{1}{283} =\frac{3}{T_2}$

=> $T_2 = 3 * 283$

=> $T_2 = 3 * 283$

=> $T_2 = 849 \ K$

Converting back to $^oC$

$T_2 = 849 - 273$

=> $T_2 = 576^oC$

8 0

2 years ago

A light string is wrapped around the edge of the smaller disk, and a 1.50 kg block is suspended from the free end of the string.

LenaWriter [7]

Answer: 7.41 m/s

Explanation: By using the law of of energy, kinetic energy of the brick as it falls equals the potential energy before falling.

Kinetic energy = mv²/2, potential energy = mgh

mv²/2 = mgh

v²/2 = gh

v² = 2gh

v = √2gh

Where g = 9.8 m/s², h = 2.80m

v = √2×9.8×2.8 = 7.41 m/s

7 0

2 years ago

A 350-g mass is attached to a spring whose spring constant is 64 N/m. Its maximum acceleration is 5.3 m/s2. What is the frequenc

max2010maxim [7]

The frequency of oscillation is 2.153 Hz

What is the frequency of spring?

Spring Frequency is the natural frequency of spring with a weight at the lower end. Spring is fixed from the upper end and the lower end is free.

For the mass-spring system in this problem,

The Frequency of spring is calculated with the equation:

$f = \frac{1}{2\pi } \sqrt{\frac{k}{m} }$

Where,

f = frequency of spring

k = spring constant = 64 N/m

m = mass attached to spring = 350g = 0.350 kg

a = maximum acceleration = 5.3 m/s^2

Substituting the values in the equation,

$f = \frac{1}{2\pi } \sqrt{\frac{64}{0.350} }$

$f = \frac{1}{2\pi } ( 13.522)$

$f = 2.1535 Hz$

Hence,

The frequency of oscillation is 2.153 Hz

Learn more about frequency here:

<u>brainly.com/question/13978015</u>

#SPJ4

6 0

1 year ago

30 points - how do I do 2 b and c?

Delvig [45]

1. its must be B and 2. must be C

7 0

2 years ago