a 25 kg object is pushed with a horizontal force of 5 N esat across a table. If the force of friction is 2 N, what is the acceleration of the object?

Suppose that an electromagnetic wave which is linearly polarized along the x−axis is propagating in vacuum along the z−axis. the wave is incident on a conductor which is placed at z > 0 region of the space. the conductor has conductivity σ, magnetic permeability µ and electric permittivity ε. (a) find the characteristic time for the free charge density which dissipates at the conductor. (b) write the maxwell equations and derive the wave equation for a plane wave propagating in a conductor. (c) find the attenuation distance at which the incident amplitude reduces to e ^−1 of its initial value. (d) find the electric and magnetic fields inside the conductor. 8 (e) find the power loss per area of the incident electromagnetic wave at the surface of conductor.

Gunpowder residue is most likely to show up where on a shooters hands

Within a pendulum, as potential energy decreases, energy increases. a. heat b. kinetic c. frictional d. gravitational