"The first law" of thermodynamics is the one among the following choices given in the question that accounts for <span>the other 75 units of energy. The correct option among all the options that are given in the question is the first option or option "A". I hope that this is the answer that has actually come to your desired help.</span>
Answer:
v = -0.45 m/s
Explanation:
Assuming the canoe was initially at rest with momentum L = 0
and that the dog's velocity is in the positive direction
conservation of momentum
0 = 15(1.2) + 40v
v = -0.45 m/s
Answer:
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Machine
Subject: Science
Home Grade 9 Science Machine Machine
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Syllabus
Measurement
Force
Machine
Machine
Types of Simple Machine
Moment
Work Energy and Power
Sound
Light
Electricity and Magnetism
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Overview
Simple machine helps us by magnifying force, accelerating work and by changing the direction of force. This notes gives us the information about machine, its importance, mechanical advantage, velocity ratio.
Note
Things to remember
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Exercise
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Machine
We use various tools to perform different types of work in our daily life. The tools or simple devices used for making our work easier, faster and more convenient are simple machines.
Those tools or devices which make our work easier and convenient in the direction of the force is called simple machine.
Purpose of using simple machine
Simple machines are used to make our work easier in the following ways:
By multiplying force.
By changing the directions of force.
By transferring force from one point to another.
By increasing the rate of doing work.
THIS CAN HELP U
Answer:
the star collapses and the outer layers explode as a 'supernova'.
Answer:
well the the answer to the hypossis is that i think the pencil will leave a mark on my finger.
observation the indent will be there for a little if i do not press hard harder i press the longer the mark stay what made this diffrence is that my hypossis got somthing wrong. the thumb will not leave a mark that you can barly see and the index finger has visble mark because the end of the pincel shaper
and pionty and the eares side is flay so i barly leaves a mark
Explanation: