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Bumek [7]
3 years ago
7

Point charges q1=− 5.00 nC and q2=+ 5.00 nC are separated by distance 3.30 mm , forming an electric dipole.

Physics
1 answer:
Rzqust [24]3 years ago
7 0

Answer:

(a) The electric dipole moment is equal to 16.5×10^-12 Cm

(b) The electric dipole moment is directed along the dipole axis from the negative charge to the positive charge.

(C) Torque on the dipole is equal to the products of the Electric field vector and the dipole moment

The magnitude is given by

pE×Sin(phi)

Explanation:

The dipole moment is equal to the productof the magnitude of the charge and the distance of separation between the charges.

The detailed solution to the problem is contaimed in the attachment below.

Thank you for reading.

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A 3 kg ball is rolling 2 m/s. How much kinetic energy does it have?
vova2212 [387]

Answer:

6

Explanation:

0.5(3 × 2^2)

4 0
3 years ago
A ball is kicked on a planet the size of Earth but with twice the acceleration due to gravity. If the maximum height of the ball
USPshnik [31]

Answer:

The value t = 1.995 \  s

Explanation:

From the question we are told that

The acceleration due to gravity is a = 2g

The maximum height is h= 39 m

Generally from the kinematic equation

             s =  ut + \frac{1}{2} at^2

Here u  is the velocity of the ball at maximum height before it start falling and the value is  0 m/s

So

            39 =  0* t + \frac{1}{2} (2g)t^2

            39 = (9.8)t^2

            t =  \sqrt{3.9795918}

t = 1.995 \  s

3 0
4 years ago
An irrigation canal has a rectangular cross section. At one point whare the canal is 16.0 m wide, and the water is 3.8 m deep, t
Irina-Kira [14]

Answer:

The depth of the water at this point is 0.938 m.

Explanation:

Given that,

At one point

Wide= 16.0 m

Deep = 3.8 m

Water flow = 2.8 cm/s

At a second point downstream

Width of canal = 16.5 m

Water flow = 11.0 cm/s

We need to calculate the depth

Using Bernoulli theorem

A_{1}V_{1}=A_{2}V_{2}

Put the value into the formula

16.0\times3.8\times2.8=16.5\times x\times 11.0

x=\dfrac{16.0\times3.8\times2.8}{16.5\times11.0}

x=0.938\ m

Hence,  The depth of the water at this point is 0.938 m.

7 0
4 years ago
Two balls of equal mass collide and stick together as shown in the figure. The initial velocity of ball B is twice that of ball
Mice21 [21]

The angle above the horizontal of the motion of mass A + B after the collision. as well as others are mathematically given as

  • \theta f = 26.3 \deg
  • vf/vA= 0.94
  • 2vf^2 / 5vA^2 = 0.35

<h3>What is  Collison equilibrium?</h3>

According to the collision hypothesis of chemistry, chemical reactions happen when two molecules or atoms collide.

Generally, the equation for Collison equilibrium is  mathematically given as

For horizontal motion

mvAx+m2vAx = 2mvfx

For vertical motion

-mvAy+m2vAy = 2mvfy

vfy = 1/2 vAy

\tan \theta f = vfy/vfx \\\\\tan \theta f = 1/3 vAy/vAx \\\\\tan \theta f  = vAy/vAx \\\\\theta f = tan-1 ( 1/3 tan (56) )\\\\

\theta f = 26.3 \deg

(b)

v fy = vf sin \theta f\\\\vAy = vA sin theta i\\\\vf/vA = vfy/vAy sin( \theta i)/sin(\theta f)\\\\vf/vA = 1/2 sin(56)/sin(26.3) \\\\

vf/vA= 0.94

(c)

Ef/Ei = \frac{(1/2 * (2m) * (vf)^2) }{ (1/2 * m * (vA)^2) + 1/2*m*(2vA)^2) ]}

2vf^2 / 5vA^2 = 0.35

In conclusion, The angle above the horizontal of the motion of mass A + B after the collision. as well as others

\theta f = 26.3 \deg

vf/vA= 0.94

2vf^2 / 5vA^2 = 0.35

Read more about collision theory

brainly.com/question/20628781

#SPJ1

8 0
2 years ago
When are objects in thermal equilibrium? *
frutty [35]

Thermal equilibrium is achieved when two objects or systems reach the same temperature and cease to exchange energy through heat. When two objects are placed together, the object with more heat energy will lose that energy to the object with less heat energy.

7 0
3 years ago
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