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3 years ago

HELP ME ASAP!!!!

Physics

1 answer:

jok3333 [9.3K]3 years ago

7 0

Answer:

Identity versus confusion is the fifth stage of ego according to psychologist Erik Erikson's theory of psychosocial development.

Explanation:This stage occurs during adolescence between the ages of approximately 12 and 18. During this stage, adolescents explore their independence and develop a sense of self.

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Prove that d1=R(d1-d2) in relative density

yawa3891 [41]

You know I’m going to be honest I don’t feel like it

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3 years ago

Two identical conducting spheres, A and B, carry equal charge. They are separated by a distance much larger than their diameters

Vesnalui [34]

Answer:

C. $\frac{3F}{8}$

Explanation:

Let initial charges on both spheres be, $q$

$F=\frac{Kq^2}{d^2} \ \ \ \ \ \ \ \ \ \ \_i$

When the sphere C is touched by A, the final charges on both will be, $\frac{q}{2}$

#Now, when C is touched by B, the final charges on both of them will be:

$q_c=q_d=\frac{q/2+q}{2}\\\\=\frac{3q}{4}\\$

Now the force between A and B is calculated as:

$F\prime=\frac{k\times\frac{q}{2}\times \frac{3q}{4}}{d^2}\\F\prime=\frac{3F}{8}$

Hence the electrostatic force becomes 3F/8

4 0

3 years ago

If a proton is released at the equator and falls toward earth under the influence of gravity, the magnetic force on the proton w

pantera1 [17]

Positive positive side naturally because protons always move to positive side and electron always move to negative side

3 0

3 years ago

What are some examples of gravitational forces that keep an object in orbit? Pls give at least 2-3 example if you can.

Lelu [443]

Answer:

Without any external forces a moving object will continue to move in a straight line. The gravitational force between the two objects will provide the centripetal force to keep the objects moving around one another.

1. satellite in orbit around the earth (motion of earth is negligible)

2. moon in orbit around the earth (center of motion several thousand miles

from center of earth)

3. earth in orbit around sun (center of rotation close to center of sun)

4. binary stars (if masses of stars are equal center of rotation is in middle)

3 0

3 years ago

a 0.15 kg baseball has a momentum of 0.78 kg*m/s just before it lands on the ground. What was the ball's speed just before landi

vovangra [49]

5.2m/s

Explanation:

Given parameters:

Mass of baseball = 0.15kg

Momentum of baseball = 0.78kgm/s

Unknown:

Speed of baseball = ?

Solution:

The momentum of the baseball is a function of the product of the mass and velocity. It is a vector quantity:

Momentum = mass x velocity

Since the speed of the ball is unknown:

Velocity = $\frac{momentum }{mass}$

= $\frac{0.78}{0.15}$

= 5.2m/s

The speed of the baseball before it lands is 5.2m/s

Learn more:

Momentum brainly.com/question/9484203

#learnwithBrainly

4 0

3 years ago