A man rides forward on a bike +4.96 x 104 m, then travels backwards on a bike for -6.83 x 103 m. What is his total displacement in m?
Round your answer to the nearest whole number. Answer in Standard Notation.

An ideal transformer has 60 turns in its primary coil and 360 turns in its secondary coil. if the input rms voltage for the 60-turn coil is 120 v, what is the output rms voltage of the secondary coil?

The atoms in a nickel crystal vibrate as harmonic oscillators with an angular frequency of 2.3 × 1013 rad/s. the mass of a nickel atom is 9.75 × 10-26 kg. what is the difference in energy between adjacent vibrational energy levels of nickel? (h = 6.626 × 10-34 j • s, , 1 ev = 1.60 × 10-19 j)

70 give a real life example showing how sensory neurons work with the motor neurons