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goldfiish [28.3K]
4 years ago
5

Match each charged object to the electric field diagram that each would produce?

Physics
1 answer:
LuckyWell [14K]4 years ago
6 0
OK. I see what's going on here.
To answer all of these, you have to know two basic things about the
electric field. 
(THAT's the whole purpose of the question ... to help you determine
whether you're clear on these two things, or need to go over them.)

Thing #1). 
The larger the charge is, the stronger the field is around it,
and a stronger field is indicated with more lines.

Thing #2). 
The direction of the lines is the direction of the force on a tiny positive
charge in the field. 
If the charge in the middle is positive, then another tiny positive charge
gets pushed away from it ... the lines point OUT. 
If the charge in the middle is negative, then a tiny positive charge
gets attracted to it ... the lines point IN.
_________________________

drawing a).
lines point in, charge in the middle is negative
thickest set of lines . . . biggest negative charge

drawing b).
lines point out, charge in the middle is positive
thicker than average lines . . . biggest positive charge

drawing c).
lines point in, charge in the middle is negative
thin lines . . . negative charge in the middle is kind of small

drawing d).
lines point out, charge in the middle is positive
thin lines . . . positive charge in the middle is kind of small
___________________________

I just looked through the charges, to see what they gave us
for positive, negative, big ones, little ones, etc.
BE CAREFUL when you decide which charge to put in the middle.
Don't just look at the beginning numbers ... be sure and consider the exponents too.
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PAY ATTENTION MY QUESTION ASK FOR RADIATION!!!
Anestetic [448]

Answer:

The answer is c

Thermal energy moves within the air from the flames to the marshmallow.

Explanation:

Hope it helps

3 0
3 years ago
A concave mirror has a radius of curvature of 10 cm. Find the location an height of the image if the distance of the object is 8
puteri [66]
R=10
F=R/2
F=10/2=5
F=-5(CONCAVE MIRROR)
U=-8(CONCAVE MIRROR)
HEIGHT OF OBJECT=1.5
V=?
HEIGHT OF IMAGE=?
I/F=1/U+1/V
-I/5=-1/8-1/V
-1/V=-1/5+1/8
-1/V=-8+5/40
-1/V=-3/40
1/V=3/40
V=40/3

HEIGHT OF IMAGE/HEIGHT OF OBJECT =-V/U
HEIGHT OF IMAGE=40/3*1/-8*15/10
                              =-20/8
                              =-2.5
7 0
3 years ago
Two teams are playing tug of war. Team A pulls to the right with a force of 450 N. Team B pulls to the left with a force of 415
motikmotik

Answer:

35 N to the right.

Explanation:

450 is going to the right so you subtract what is going against it. Which gives you 35. And because 450 is bigger than 415, it'll be going to the right.

6 0
3 years ago
On a part-time job, you are asked to bring a cylindrical iron rod of density 7800 kg/m3 , length 92.6 cm and diameter 2.95 cm fr
slavikrds [6]

Answer:

48.4293354946 N

Yes

Explanation:

d = Diameter of rod = 2.95 cm

h = Length of rod = 92.6 cm

\rho = Density of rod = 7800 kg/m³

g = Acceleration due to gravity = 9.81 m/s²

Volume of rod

V=\dfrac{1}{4}\pi d^2h\\\Rightarrow V=\dfrac{1}{4}\times \pi\times (2.95\times 10^{-2})^2\times 92.6\times 10^{-2}

Mass is given by

m=\rho V\\\Rightarrow m=7800\times \dfrac{1}{4}\times \pi\times (2.95\times 10^{-2})^2\times 92.6\times 10^{-2}\\\Rightarrow m=4.93673144695\ kg

Weight is given by

W=mg\\\Rightarrow W=4.93673144695\times 9.81\\\Rightarrow W=48.4293354946\ N

The weight of the rod is 48.4293354946 N

The mass of the rod is 4.93673144695 kg which is light. So, I will be able to carry the rod without a cart.

7 0
3 years ago
6. A Cadillac Escalade has a mass of 2 569.6 kg, if it accelerates at 4.65m/S<br> force on the car?
SVETLANKA909090 [29]

Answer:

F= 2569.6 X 4.65 = 11,948.64

*Multiply the mass and the acceleration to find the force

Explanation:

5 0
4 years ago
Read 2 more answers
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