An 82-kg male and a 48-kg female pair figure skating team are gliding across the ice at 7.4m/s, preparing for a throw jump maneuver. The male skater toses the female skater forward with a speed of 8.6m/s. Determine the speed of the male skater immediately after the throw.

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.

What is the force that opposes motion and works against the downward pull? a) friction b) gravity c) weight d) acceleration

Which basic property determines a colored light's placement on the spectrum of visible light? a. speed b. frequency c. amplitude d. velocity