3 years ago

If you increase the distance by double the work will _____________

Physics

1 answer:

VMariaS [17]3 years ago

6 0

Answer: the work will also increase by double

Explanation:

This is because they are directly proportional in the formula w=f x d

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Using the same cost and time estimates, consider the time-effectiveness of each engineer.

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Answer:

Camilla

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I got it right on edge. :)

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2 years ago

Scientific work is currently underway to determine whether weak oscillating magnetic fields can affect human health. For example

ValentinkaMS [17]

Answer:

$2.02672\times 10^{-11}\ V$

Explanation:

f = Frequency = 75 Hz

B = Magnetic field = $1\times 10^{-3}\ T$

d = Diameter of cell = $7.4\ \mu m$

t = Time taken

$\omega$ = Angular frequency

The expression of emf is

$E=NAB\omega sin\omega t$

Emf is maximum when $sin\omega t=1$ and N = number of turns = 1

$E_m=AB\omega\\\Rightarrow E_m=\pi \left(\frac{d}{2}\right)^2 \times B \times 2\pi\times f\\\Rightarrow E_m=\pi \left(\frac{7.4\times 10^{-6}}{2}\right)^2\times 1\times 10^{-3}\times 2\pi\times 75\\\Rightarrow E_m=2.02672\times 10^{-11}\ V$

The maximum emf that can be generated around the perimeter of a cell in this field is $2.02672\times 10^{-11}\ V$

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2 years ago

What is the mass of an object that requires 100N of force in order to accelerate 10m/s2

iragen [17]

Explanation:

Hey there!

Given;

Force (f) = 100 N

Acceleration (a) = 10m/s^2.

Mass (m)=?

We have;

Force = mass * acceleration.

So,

100 = m * 10

Or, 100 = 10m

Or, m= 100/10

Therefore, mass is 10kg.

Hope it helps....

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2 years ago

What type of circuit has all its resistors in the same path?

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Answer:

A) series

Explanation:

a series circuit has only one path in which current can flow

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3 years ago

Which direction does the earth on its axis ?

Andrej [43]

Counter clock wise amigito

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3 years ago

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