As part of a forensics test, a 0.005 kg bullet is fired into a 0.5 kg stationary wooden block. The bullet becomes embedded in the block. The initial speed of the bullet is 370 m/s. 1)What is the initial velocity of the center of mass of the bullet-block system before the collision

Laboratory experiments, observational field studies, and model-building are all examples of different forms of scientific investigations.  in what way do laboratory experiments primarily differ from other forms of scientific investigations?   a.  a laboratory experiment is the only accepted form of investigation within the scientific community.  b.  studies about how things behave in nature or studies involving very large objects are best answered through laboratory experiments.  c.  laboratory experiments involve the identification and control of variables.  d.  data can only be generated through laboratory experiments, not other forms of investigation.

Which of the following is an example of motion in two dimensions?

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.