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zvonat [6]
3 years ago
6

It takes 56.5 kilojoules of energy to raise the temperature of 150 milliliters of water from 5°C to 95°C. If you

Physics
1 answer:
Debora [2.8K]3 years ago
7 0
You'd get an extra 40/60 of the energy, or 2/3. Multiply 5/3 by the required energy to get the actual consumption.
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A tractor pushes a log with a force of 6,000 N, if it is able to move it with an acceleration of 10m / s², how much mass does th
Katena32 [7]

Answer:

600kg

Explanation:

Given parameters:

Force  = 6000N

Acceleration  = 10m/s²

Unknown:

Mass of the body = ?

Solution:

To solve this problem, we apply newton's second law of motion:

    F = m x a

F is the force

m is the mass

a is the acceleration

 So;

          6000  = m x 10

         m  = 600kg

7 0
2 years ago
When You lift a load, the resistance force is ?<br><br> A. magnetism <br> b. gravity
serious [3.7K]

Answer:

B gravity

Explanation:

when you lift a load you feel that the load is heavy the load becomes heavy due to gravitational force that pulls the load towards it

5 0
3 years ago
Read 2 more answers
An oil fired steam generator is connected to a steam engine which produces 50kw of power when using oil of energy content 47mj/k
xxMikexx [17]
Answer........A) sure :)
5 0
3 years ago
Listening to your favorite radio station involves which area of physics?
lukranit [14]

If I'm not mistaken the answer would be c, vibrations and wave phenomena, because when sound waves hit your ear they go through it to your brain and your mind translates these vibrations to sound. I hope my answer helped you out.

8 0
2 years ago
A 63.3 kg wood board is resting on very smooth ice in the middle of a frozen lake. A 35.7 kg boy stands at one end of the board.
Vlada [557]

The velocity of the board relative to the ice is zero, since both are at rest.

<h3>What is relative velocity?</h3>

Relative velocity is the velocity of an object in relation to another reference object or point.

When two objects are travelling or moving with the same velocity in the same direction, the relative velocity one relative to the other is zero.

Also, when two objects are at rest, the relative velocity one relative to the other is zero.

Therefore, the velocity of the board relative to the ice is zero, since both are at rest.

Learn more about relative velocity at: brainly.com/question/24337516

#SPJ1

8 0
2 years ago
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