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3 years ago

HELP PLS I DONT UNDERSTAND AHHHHHHHH-

Physics

2 answers:

eduard3 years ago

8 0

Answer:

X rays

Explanation:

doctors use x rays to look at your bones

if my answer helps please mark as brainliest.

Thepotemich [5.8K]3 years ago

6 0

The correct answer is X-rays.

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(YOU WILL GET BRAINLIEST)Matter may be classified as a pure substance or a mixture. Where on the Venn diagram would you insert t

inessss [21]

I think it would be B because it is matter, since it has atoms, and it contains subatomic particles, which are smaller than atoms

3 0

3 years ago

Read 2 more answers

If the torque required to loosen a nut holding a wheel on a car is 48 N · m, what force must be exerted at the end of a 0.23 m l

Andreas93 [3]

Answer:

F = 318.1 N

Explanation:

As we know that torque to open the nut is given by formula

$\tau = \vec r \times \vec F$

so we can write it as

$\tau = rFsin\theta$

now we know that

$\tau = 48 Nm$

r = 0.23 m

angle between force and the wrench is 41 degree

so we have

$48 = (0.23)Fsin41$

$F = \frac{48}{(0.23)sin41}$

$F = 318.1 N$

6 0

3 years ago

The thermal energy of a system is the ____________ kinetic energy of its particles.

vivado [14]

<span>The thermal energy of a system is the ____average________ kinetic energy of its particles.

Hope this helps.</span>

4 0

4 years ago

A research assistant in a lab conditions dogs to salivate to the sound of a bell. During conditioning, the assistant deliberatel

sattari [20]

Answer:

D. independent; dependent

Explanation:

The dependent variable is the variable that is being measured during the course of an experiment. It represents the variable that changes with the manipulation of other variables.

The independent variables are variables which are varied or manipulated during the course of an experiment. The effects of their variations are measured on the dependent variable.

<em>In this case, the interval between the bell and presentation of food was varied and the effects of the variation was measured by determining the amount of salivation.</em>

Hence, the interval is the independent variable and the amount of salivation is the dependent variable.

The correct option is D.

5 0

3 years ago

Imagine a universe in which, like in ours, there are two kinds of charges (positive and negative), with the like charges repelli

GuDViN [60]

Answer:

the static charge is not always distributed on the surface of the conductor, there are also charges in the volume but of lesser magnitude

Explanation:

In this hypothetical system the electric force is of type

F = $k' \frac{q_1 q_2 }{r^2}$

in this case the force decays to zero much faster,

if we call Fo the force of Coulomb's law

F₀ = $k \frac{q_1 q_2 }{r^2}$

assuming the constant k is the same

the relationship between the two forces is

F / F₀ = 1 / r

F = F₀ / r

when analyzing this expression the force decays much faster to zero.

In an electric conductor, charges of the same sign may not feel any repulsive force from other charges that are at a medium distance, so there is a probability that some charges are distributed in the volume of the material, this does not happen with coulomb's law

Consequently, the static charge is not always distributed on the surface of the conductor, there are also charges in the volume but of lesser magnitude

5 0

3 years ago