A proton moves with a speed of `5.0times10^(6)ms^(-1)` along the x -axis.It enters a region where there is a magnetic field of magnitude 2.0 tesla directed at an angle of `30^(@)` to the x -axis and lying in the xy plane.The magnitude of the magnetic force on the proton is

A proton moves at a speed v = 2xx10^(6) m//s in a region of constant magnetic field of magnitude B = 0.05 T. The direction of the proton when it enters this field is theta = 30^(@) to the field. When you look along the direction of the magnetic field, then the path is a circle projected on a plane perpendicular to the magnetic field. How far will the proton move along the direction of B when two projected circles have been completed?

A particle of charge -32 xx 10^(-18) coulomb moving with velocity 20 ms^(-1) along the x-axis enters a region where a magnetic field of induction B is along the y-axis, and an electric field of magnitude 5 xx 10^(4) V/m is along the negative z-axis. If the charged particle continues moving along the x-axis, the magnitude of B is

An electron enters a region that contains a magnetic field directed into the page as shown. The velocity vector of the electron makes an angle of 30^(@) with the +y axis. What is the direction of the magnetic force on the electron when it enters the field ?

A proton enters a magnetic field of flux density 2*5T with a speed of 1*5xx10^7ms^-1 at an angle of 30^@ with the field, Find the force on the proton.

A semicircular wire of radius 5.0 cm carries a current of 5.0 A. A magnetic field B of magnitude 0.50 T exists along the perpendicular to the plane of the wire. Find the magnitude of the magnetic force acting on the wire.

A vector lying in x-y plane has a magnitude 3, and makes an angle 30^(@) with the x-axis. Find its components along the two axes.

A vector of magnitude 14 lies in the xy-plane and makes an angle of 60^@ with x -axis . The components of the vector in the direction of x -axis and y-axis are

A proton is fired with a speed of 2xx10^(6)m//s at an angle of 60^(@) to the X- axis . If a uniform magnetic field of 0.1 tesla is aplied along the Y- axis, the force acting on the proton is