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Drupady [299]
3 years ago
10

Calculate the electric ristor​

Physics
1 answer:
worty [1.4K]3 years ago
7 0

Answer:

The electrical resistance of a circuit component or device is defined as the ratio of the voltage applied to the electric current which flows through it: If the resistance is constant over a considerable range of voltage, then Ohm's law, I = V/R, can be used to predict the behavior of the material.

Explanation:

Btw i had a hard time answering the question because you but <u>Ristor </u> and its spelt Resistor

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An object weighs 100 newtons on earth.What is its weight on the moon?
Pachacha [2.7K]

Answer:

a) The gravitational acceleration at the surface of the Moon is g moon=1.67 m/s  

2

The ratio of weights (for a given mass ) is the ratio of g-values, so  

W  

moon

​  

=(100N)(1.67/9.8)=17N.

(b) For the force on that  object caused by Earth's gravity to equal 17 N, then the free fall acceleration at its location must be  

ag

​  =1.67m/s  

2

 . Thus , .

ag

= r  2

Gm

E

⇒  

a  

g

Gm  

=1.5×10  

7

m

So the object would need to be a distance of r/R  

E

​  

=2.4 "radii" from Earth's center.

4 0
3 years ago
Read 2 more answers
Which will speed up a chemical reaction? Apply heat. Increase the concentration of the reactants. Grind up the substance, so the
makkiz [27]
All of the above options are correct
8 0
3 years ago
A soccer ball of mass 0.35 kg is rolling with velocity 0, 0, 1.8 m/s, when you kick it. Your kick delivers an impulse of magnitu
Mademuasel [1]

Answer:

position 9.58 m

Explanation:

In impulse exercises and amount of movement, we always assume that the contact time is small,

     I = Δp

With this expression we can calculate the final speed

     I = m Vf - m Vo

    Vf = (I + mVo) / m

    Vf = (1.8 + 0.35 1.8) /0.35

    Vf = 6.94 m / s

To calculate the acceleration of the ball we use Newton's second law, after finishing the impulse

     ∑ F = m a

     fr = m a

     a = fr / m

     a = -0.26 / 0.35

     a = -0.74 m/s²

A negative sign indicates that this acceleration is slowing the ball

Now we have speed and time acceleration, so we can use the kinematic equations to find the position at 1.5 s

   

      X = Vo t + ½ to t²

 In this case Vo is the speed with which the ball comes out after the impulse 6.94

     X = 6.94 1.5 + ½ (-0.74) 1.522

     X = 9.58 m

7 0
3 years ago
On a smooth horizontal floor, an object slides into a spring which is attached to another mass that is initially stationary. Whe
saul85 [17]

Answer: (E) Momentum and mechanical energy

Explanation:

 The momentum and the mechanical energy is basically conserved during the given interaction process as the forces on the given system are in the form of internal nature and then the momentum are get conserved.

According to the given question, on the smooth floor when an object are slides by using the spring then the momentum and the mechanical energy are conserved.

The mechanical energy is the combination of both the kinetic and the potential energy that is used for doing some amount of work. Therefore, Option (E) is correct answer.  

5 0
3 years ago
What must be the distance (in meters) between a point charge q1 = 16 μC and a point charge q2 = 32 μC for the electrostatic forc
adoni [48]

Answer:

d = 0.71 meters

Explanation:

It is given that,

Charge 1, q_1=16\ \mu C=16\times 10^{-6}\ C

Charge 2, q_2=32\ \mu C=32\times 10^{-6}\ C

Electrostatic force between charges, F = 9 N

Let d is the distance between the charges. The electrostatic force between the charges is given by the product of charges and divided by square of distance between them. Mathematically, it is given by :

F=k\dfrac{q_1q_2}{d^2}

d=\sqrt{\dfrac{kq_1q_2}{F}}

d=\sqrt{\dfrac{9\times 10^9\times 16\times 10^{-6}\times 32\times 10^{-6}}{9}}

d = 0.71 meters

So, the distance between the charges is 0.71 meters. Hence, this is the required solution.

6 0
4 years ago
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