If an object is thrown up from the ground and lands back on the ground, how do the final and initial velocities compare

Determine the largest intensity w of the uniform loading that can be applied to the frame without causing either the average normal stress or the average shear stress at section b–b to exceed σ=19 mpa and τ=24 mpa, respectively.

Mark creates a graphic organizer to review his notes aboutelectrical force.which labels belong in the regions marked x and y?

Hello i am required to make a physics experiment plus powerpoint presentation. i want to see your suggestions about simple topics with examples of how to talk about it in the presentation. note: any incomplete answer will be reported.