"German physicist Werner Heisenberg related the uncertainty of an object's position (Δx) to the uncertainty in it's velocity Δv.

Δx ≥ h/4πmΔv where h is Planck's constant and m is the mass of the object.

The mass of an electron is 9.11 x 10-31kg.

What is the uncertainty in the position of an electron moving at 2.00 x 106 m/s with an uncertainty of Δv =0.01x106 m/s?"

When the force acting on an object points at least partially in the direction of the motion the work done is considered to be negative

The electric potential v is constant everywhere within a certain region of space. which statement below is true? the choices are: the electric field is also constant (but not zero) within the region. a charged particle placed within the region will experience an electric force. the electric field is zero everywhere within the region. the electric field varies from place to place within the region.

According to an observer on earth, planet x is stationary. maria and samir depart earth on their spaceships at the same time, each flying at 0.5c. maria flies toward planet x and samir flies in the opposite direction. according to maria, her voyage to planet x takes 9 years. how many years does maria's voyage take according to samir?