In the Bohr model, as it is known today, the electron is imagined to move in a circular orbit about a stationary proton. The force responsible for the electron's circular motion is the electric force of attraction between the electron and the proton. Part A If the speed of the electron were 4.4x105 m/s, what would be the corresponding orbital radius? Express your answer using two significant figures. T = {ΠΙ ΑΣΦ ? m

Scientists in the laboratory create a uniform electric field E-9.0x105 kV/m in a region of space where B = 0. ▼ Part A What are the components of the electric field in the reference frame of a rocket traveling in the positive x-direction at 1.4x108 m/s ? Express your answer using two significant figures separated by commas. ΠΕ ΑΣΦ Ex, Ey, Ez = Submit Part B Request Answer Ba, By, B₂ = Submit What are the components of the magnetic field in the reference frame of the rocket? Express your answer using two significant figures separated by commas. ΠΠ ΑΣΦ 8924 ? Request Answer Bed V/m ? T

A small charge q=0.3 nC is placed distance 2.9 cm away from a stationary charge Q=7.4 nC. At that spot charge q experiences acceleration of magnitude 314 m/s². What is the mass of the charge q? Express your answer in kilograms, use scientific notation. On TH, the scientific notation follows a format x.yzEn where x.yz is the number expressed with a precision of three significant figures, E indicates the exponent and n is the power of the exponent.

Hey I am doing some physics homework and am stumped on this question.  Any help will be great! Thanks!