Select the false statement. A. Only materials that have never been part of a living thing can be recycled in nature. B. Matter f
1 answer:
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The force exerted by the magnetic in terms of the magnetic field is,
Where B is the magnetic fied strength and F is the force.
Thus, if the magnetic A has twice magnetic field strength than the magnet B,
Then,
Thus, the force exerted by the magnet B is,
Thus, the force exerted by the magnet B on magnet A is 50 N.
The force exerted by the magnet A exerts on the magnet B is exactly 100 N as given.
Hence, the option B is the correct answer.
Answer:
2000 V/m
1778021.69323 m/s
Explanation:
V = Voltage = 9 V =
q = Charge of proton =
m = Mass of electron =
v = Velocity of electron
Electric field is given by
The electric field is 2000 V/m
Here, the energy of the system is conserved
The velocity of the electron is 1778021.69323 m/s