The best and most correct answer among the choices provided by your question is the first choice.
<span>The movement of the large box shows more work because the box moved a longer distance.</span>
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Answer:
is there suppose to be a pic?
Explanation:
Answer:
Explanation:
To convert the energy of the cereal to know the weight:
Supuse the gravity as a g=9.8m/s^2
Answer:
(a)
(b)
(c)
(d)
Explanation:
Given:
Kinetic Energy of an electron,
radius of the orbit,
we have:
mass of an electron,
charge on an electron,
(a)
we know:
(b)
<em>We also have the relation after the comparison of forces(centripetal and magnetic) on a moving charge in a magnetic field as:</em>
...........................(1)
where:
B = magnetic field normal to the plane of circulating charge
putting respective values in eq. (1)
(d)
angular speed:
∴Time taken for 1 radian:
Now time take for 1 circulation i.e. 2π radians(Time period):
(c)
we know frequency :