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exis
12 days ago
12

You are holding a block of wood with dimensions 3 cm 6 cm 9 cm on the palm of your hand. Which side must be touching your hand f

or you to experience the greatest force?
A. 3 cm x 6 cm side
B. 6 cm x 9 cm side
C. You will experience the same amount of force on all sides.
D. 9 cm x 3 cm side
Physics
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If 2.0 mol of gas a is mixed with 1.0 mol of gas b to give a total pressure of 1.6 atm, what is the partial pressure of gas a an
serg [3582]
<span>The partial pressure of A = 1.06 atm and the partial pressure of B = 0.53 atm</span>
8 0
1 month ago
Read 2 more answers
A thin insulating rod is bent into a semicircular arc of radius a, and a total electric charge Q is distributed uniformly along
Softa [3030]

Answer:

v = \frac{kQ}{a}  

Explanation:

We define the linear charge density as:

\lambda = \frac{Q}{L}

     Where L is the length of the rod, in this scenario the semicircle's length is L = πr

The potential at the center created by a differential element of charge is:

dv = \frac{kdq}{r}

          where k denotes Coulomb's constant

                     r signifies the distance from dq to the center of the circle

Thus.

v = \int_{}^{}\frac{kdq}{a}  

v = \frac{k}{a}\int_{}^{}dq

v = \frac{kQ}{a}     The potential at the semicircle's center

4 0
1 month ago
A sinusoidal electromagnetic wave of frequency 6.10×1014hz travels in vacuum in the +x direction. the magnetic field is parallel
Yuliya22 [3333]
Part a) The connection between the electric field and the magnetic field in an electromagnetic wave is
E=cB
where
E signifies the strength of the electric field
B indicates the strength of the magnetic field
c represents the speed of light
Using the equation, we determine:
E=cB=(3 \cdot 10^8 m/s)(5.80 \cdot 10^{-4} T)=1.74 \cdot 10^5 N/C

Part b) The text does not clarify the orientation of the magnetic field on the y-axis: I speculate it points in the y+ direction.
The direction of the electric field can be established using the right-hand rule, which states:
- the index finger shows the direction of E
- the middle finger indicates the orientation of B
- the thumb reveals the propagation direction of the wave
Because the wave propagates in the x+ direction, and the magnetic field in the y+ direction, we conclude that the electric field direction (index finger) must be z-.
7 0
2 months ago
Uzupełnij zdania właściwymi sformułowaniami. Wyobraź sobie, że między linę a siodełko karuzeli łańcuchowej wmontowany jest siłom
ValentinkaMS [3465]

Explanation:

Here’s a revised version of the requirements;

Fill in the blanks with the appropriate terms. Picture a force gauge fixed between the rope and the saddle of the chain carousel. If you keep your feet off the ground while the vehicle is not in motion, the dynamometer shows A / B. When the carousel is spinning, you’ll see C / D displayed on the dynamometer.

A. Your weight including the saddle

C. Value of the rope's strength

B. Your weight

D. Value of the centripetal force

3 0
3 months ago
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