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slega [8]
3 years ago
13

If the work required to move a 0.35 c charge from point a to point b is 125 j, what is the potential difference between the two

points?
Physics
1 answer:
valentina_108 [34]3 years ago
7 0
Using W = qV  =>  V = W/q


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A ball with a mass of 160 g which contains 4.40×108 excess electrons is dropped into a vertical shaft with a height of 115 m . A
faltersainse [42]

Answer:

F= 6.69*10^{-10}N

Explanation:

To find the force we proceed by defining the variables we have,

m= 160g\\n= 4.40*10^8\\h=115m\\B=0.2T\\e= 1.602*10^{-19}c

The charge on one of the balls is defined under the equation,

q=ne

q= 4.40*10^8(1.602*10^{-19}c)

q= 7.0488*10^{-11}

Due to the height we need to calculate the potential energy at the height of 115m,

PE=mgh

The kinetic energy would be given by

KE= \frac{1}{2}mv^2

From the law of conservation we equate the two equations

\frac{1}{2}mv^2=mgh

v=\sqrt{2gh}

v=\sqrt{2(9.8)(115)}

v= 47.47m/s

In this way we now calculate the strength of the particle

F=qVB

F= (7.0488*10^{-11})(47.47)(0.2)

F= 6.69*10^{-10}N

8 0
3 years ago
Can someone help me grasp the concept of solving this please
OlgaM077 [116]

Answer:

  • Q= m × c × change in temp
  • Q= 1000 cal/kg × C
  • Q= (5kg) × (1000 ) × (100-13)
  • Q= 435000
  • Hence 4.35 × 10^5
  • Ask any questions!
  • I also do quizzes and exams if your interested!
3 0
3 years ago
What is meant by components of a vector?
topjm [15]

Answer:

Each part of a two-dimensional vector is known as a component. The components of a vector depict the influence of that vector in a given direction. The components of a vector depict the influence of that vector in a given direction.

Explanation:

hope this helps

3 0
4 years ago
Based on the bond energies given for each of the following which is the most stable? O=O 498 kJ/mol N≡N 946 kJ/mol C=C 614 kJ/mo
slamgirl [31]

Answer:

N≡N bond

Explanation:

Bond energy (bond enthalpy) is a measure of the bond strength in the bond. It is defined as average value of bond dissociation energies in the gas-phase for all the bonds having same type with in same chemical species.

<u>The greater the bond energy, the greater is the amount of energy required to break the bond, the more stable is the bond.</u>

Thus, among the following bonds:

O=O 498 kJ/mol

N≡N 946 kJ/mol

C=C 614 kJ/mol

C=O 745 kJ/mol

C≡C 839 kJ/mol

<u>The greatest bond energy is of N≡N 946 kJ/mol and thats why it is the most stable.</u>

7 0
3 years ago
Give an examplea of newtons law of acceleration
coldgirl [10]

The 2nd Law of Motion states acceleration is produced when a n unbalanced force acts on an object (mass) The more mass the object has the more net force has to be used to move it.

Examples:

If you use the same force to push a truck and push a car, the car will have more acceleration than the truck, because the car has less mass.

It's easier to push a empty shopping cart then a full one, because the full one has more mass than the empty one. This means more force is required to push the full shopping cart.

8 0
3 years ago
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