The following shows the forces acting on a box. Explain how you calculate the net force in any direction on the box.

Which statement is best supported by the information in the chart? wave y is moving the fastest. wave x is moving the fastest. all of the waves are moving at the same speed. all of the waves have the same value of wavelengths per second.

Determine the fraction of the magnitude of kinetic energy lost by a neutron (m1 = 1.01 u) when it collides head-on and elastically with a target particle at rest which is 21h (heavy hydrogen, m = 2.01 u).

Which compound is held together by the electrostatic force between two ions? a. co2 b. cci4 c. h2s d. mgf2