Acoin has a mass of 3.0g. calculate the nuclear energy that would be required to separate all the neutrons and the protons from each other. for simplicity assume that the coin is made up of copper atoms(of mass 62.92960u)

Suppose you increase your walking speed from 7 m/s to 13 m/s in a period of 2 s. what is your acceleration?

Along wire carrying a 4.2 a current perpendicular to the xy-plane intersects the x-axis at x=−1.7cm. a second, parallel wire carrying a 3.0 a current intersects the x-axis at x=+1.7cm. part a at what point on the x-axis is the magnetic field zero if the two currents are in the same direction? express your answer to two significant figures and include the appropriate units.

Ajoint produces movement when its angle decreases. which type of movement is it?