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Claud Breitenberg

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Cards in this guide (10)
What is nuclear energy

Nuclear energy is the energy in the nucleus, or core, of an atom. Atoms are tiny units that make up all matter in the universe. Energy is what holds the nucleus together. There is a huge amount of power in an atom's dense nucleus. Nuclear energy is seen when nuclear fusions or fissions happen.

How can you identify a fixed pulley

It is set in one position and cannot move.

apex :)

Momentum is defined as the rate at which work is done

false

Is it bad if you have a heavy period on one month and a light one the next month

No it is not bad, as some ladies have a heavy period for one month and then a light one or they may have two heavy periods and then one light one also.

What the the two main states of mechanical energy

Potential energy and Kinetic energy

In situations is mechanical energy conserved

It depends on the situation

What is an example of conditions not producing work

the momentum must be greater than the force . the force may be very large

How much work must be done on a 5 kg snowboard to increase its speed from 2 ms to 4 ms

work=mass*speed,5*2=10

In a collision a vehicle that rebounds off the object it trikes experiences less force than if it crumples assuming the time is the same in both situations

false

Which of the following items does not use a wheel and axle (Apex)

a bicycle

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