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mr_godi [17]
3 years ago
12

A billiard ball bangs against a side bumper, giving the ball a speed of 5 m/s. If the

Physics
1 answer:
RoseWind [281]3 years ago
7 0

Answer:

1.875 joules

Explanation:

K.E=1/2 mv²

K.E=1/2 0.15×5²

K.E=1.875 joules

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The most likely reason that Mendeleev placed tellurium before iodine is <span>Mendeleev observed that tellurium has chemical properties like other elements in its group, and he did not know that neutrons cause the greater atomic mass.</span>
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What is the relation between electric intensity dn flux
Zepler [3.9K]

The relation between the electric intensity and electric flux is that the electric flux is equal to the scalar product of electric flux intensity and vector area.

<h3>What is the relation between electric intensity and flux?</h3>

The electric field is the field, which is surrounded by the electric charged. The electric field is the electric force per unit charge.

  • The intensity of this electric field is the number of electric field lines which are pass perpendicular to the unit element of fixed area.
  • The flux of this electric field is the number of electric field lines which are pass normally to the fixed area.

The electric flux can be given as,

d\phi =\vec E \;dA\cos \theta

When angle is zero,

d\phi =\vec E \;dA\times1\\d\phi =\vec E \;dA

Thus, the total flux is,

\phi=\oint_{}^{}\vec E.d\vec A

Thus, the relation between the electric intensity and electric flux is that the electric flux is equal to the scalar product of electric flux intensity and vector area.

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2 years ago
I NEED HELP!!!!
ELEN [110]

Answer:

Instruction, admonition, nurture 

Explanation:

  • <u><em>the practice of training people to obey rules or a code of behavior, using punishment to correct disobedience:</em></u>
4 0
2 years ago
A 2.0 kg block is pulled across a horizontal surface by a 15 N force at a constant velocity.a. What is the net force acting on t
bixtya [17]

Answer:

0

Explanation:

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8 0
3 years ago
A skydiver of mass 87 kg falls straight down. If air resistance exerts 355 N of force on him as he falls, what is the net force
alukav5142 [94]

Answer:

497.6 N

Explanation:

From the question,

The net force on the skydiver = weight of the skydiver- the resistive force of air

F' = W-F...................... Equation 1

Where W = weight of the skydiver, F = resistive force of air.

But,

W = mg................ Equation 2

Where m = mass of the skydiver, g = acceleration due to gravity.

Substitute equation 2 into equation 1

F' = mg-F............ Equation 3

Given: m = 87 kg, F = 355 N, g = 9.8 m/s²

Substitute these values into equation 3

F' = 87(9.8)-355

F' = 852.6-355

F' = 487.6 N

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