An electron and a proton, moving side by side at the same speed, enter a 0.020-T magnetic field. The electron moves in a circular path of radius9.0 mm. What is the radius of the proton?

16.5 m

Explanation:

Given,

Magnetic field = 0.02 T

radius of electron = 9 mm

speed of electron  = speed of proton

radius of proton = ?

We know,

.........(1)

using newton second law

equating Force due to electron and proton

m_ e = 9.1 x 10⁻³¹ Kg    and m_p = 1.67 x 10⁻²⁷ Kg

Hence, the radius of proton is equal to 16.5 m.

when earth is in rotational motion around the sun,it displaces from its place.

when a ball is placed on an inclined surface it does both the rotational and circular motion.

explanation:

area of focus