What is the value of `B` that can be set up at the equator to permit a proton of speed `10^7m//s` to circulate around the earth?
`[R=6.4xx10^6m,m_p=1.67xx10^-27kg]`

A cyclotron's oscillator frequency is 10MHz . What should be the operating magnetic field fro accelerating protons? If the radius of its dees is 60cm , what is the kinetic energy (in MeV ) of the proton beam produced by the acceleration? (e-1.60xx10^-19C,m_p=1.67xx10^-27kg, 1MeV=1.6xx10^-13J)

A rocket is fired vertically with a speed of 5 kms^(-1) from the earth's surface. How far from the earth does the rocket go before returning to the earth ? Mass of earth= 6.0xx10^(24) kg, mean radius of the earth = 6.4xx10^(6) m, G= 6.67xx10^(-11)Nm^(2)Kg^(-2).

A rocket is fired vertically with a speed of 5 km s^(-1) from the earth's surface. How far from the earth does the rocket go before returning to the erath? Mass of the earth = 6.0 xx 10^(24) kg , mean radius of the earth = 6.4 xx 10^(6) m. G = 6.67 xx 10^(-11) Nm^(2) kg^(-2) .

Show that if the earth were not rotating about its axis the value of g at the equator would exceed its present value by 3.36cm//s^(-2) . Given the radius of earth = 6.371xx 10^(6)m . and angular speed of earth =7.27xx10^(-5)rad//s^(-1)

What is the uncertainty in velocity of an electron if the uncertainty in its position is 10^(-10) m ? Mass of the electron is 9.1 xx 10^(-31) kg and h = 6.6 xx 10^(-34) m^(2) s^(-1) ?

What is the uncertainty in velocity of an electron if the uncertainty in its position is 10^(-10) m ? Mass of the electron is 9.1 xx 10^(-31) kg and h = 6.6 xx 10^(-34) m^(2) s^(-1) ?

A beam of protons moving with a velocity of 4 xx 10^(5) m/s enters a uniform magnetic field of 0.3 T at an angle of 60◦ with the magnetic field. What is the radius of the helical path described by the proton beam? [m_p=1.67 xx 10^(-27) kg and the charge on the proton =1.6 xx 10^(-19) C]

A satellite orbits the earth at a height of 3.6xx10^(6)m from its surface. Compute it’s a kinetic energy, b. potential energy, c. total energy. Mass of the satellite =500kg mass of the earth =6xx10^(24) kg, radius of the earth =6.4xx10^(6), G=6.67xx10^(-11)Nm^(2)kg^(-2) .

The value closest to the thermal velocity of a helium atom at room temperature (300 K) in ms^(-1) is :[ k_(B)=1.4xx10^(-23) j//k, m_(He)=7xx10^(-27) kg]

The minimum projection velocity of a body from the earth's surface so that it becomes the satellite of the earth (R_(e)=6.4xx10^(6) m) .