A mover pushes a 46.0kg crate 10.3m across a rough floor without acceleration. How much work did the mover do (horizontally) pus
1 answer:
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Answer:4
Explanation:
Given
Frequency of beats is 3 beats per second
Frequency of first tuning fork is
Beat frequency is difference in the frequency of tuning forks i.e.
either or
so
or
so there is not enough information given to decide.
Answer:
Magnetic force is equal to
Explanation:
We have given electron is accelerated with a potential difference of 81700 volt.
Magnetic field B = 0.508 T
Angle between magnetic field and velocity
Mass of electron
Charge on electron
By energy conservation.
Magnetic force on electron
Explanation:
<em><u>If Q is the unit of a derived quantity represented by Q = MaLbTc, then MaLbTc is called dimensional formula and the exponents a, b and, c are called the dimensions.</u></em>
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