3 years ago

Option B.

Physics

1 answer:

Bezzdna [24]3 years ago

7 0

Answer:

it would be...

Explanation:

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Joe has a mass of 110 kg. If Joe has to climb a 10 m ladder to get to the top of a chimney, how much work did do?

Doss [256]

Answer - 1100 J

Work = Force x Distance

W = 110kg x 10 m

W = 1100 J

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3 years ago

A section of uniform pipe is bent into an upright U shape and partially filled with water, which can then oscillate back and for

nadezda [96]

Answer:

The expression is shown in the picture below

Explanation:

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3 years ago

Help what is the answer

Ainat [17]

Answer:

Explanation:

$F=k\dfrac{Q_1Q_2}{r^2}= \\\\(8.99 \times 10^9)\dfrac{(-2\times 10^{-4})(8\times 10^{-4})}{0.3^2}\approx 1.6\times 10^4 N$

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5 0

3 years ago

show how three identical 6 resistors must be connected tho have the following effective resistance values 9 and 4 ohms

SpyIntel [72]

Answer:

connect two 9 ohms resistance in series now it becomes 18 ohm

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3 years ago

Coulomb's law states that the force F of attraction between two oppositely charged particles varies jointly as the magnitude of

Mars2501 [29]

Answer: Force F will be one-sixteenth of the new force when the charges are doubled and distance halved

Explanation:

Let the charges be q1 and q2 and the distance between the charges be 'd'

Mathematical representation of coulombs law will be;

F1=kq1q2/d²...(1)

Where k is the electrostatic constant.

If q1 and q2 is doubled and the distance halved, we will have;

F2 = k(2q1)(2q2)/(d/2)²

F2 = 4kq1q2/(d²/4)

F2 = 16kq1q2/d²...(2)

Dividing equation 1 by 2

F1/F2 = kq1q2/d² ÷ 16kq1q2/d²

F1/F2 = kq1q2/d² × d²/16kq1q2

F1/F2 = 1/16

F1 = 1/16F2

This shows that the force F will be one-sixteenth of the new force when the charges are doubled and distance halved

4 0

3 years ago