When a 2kg metal is exposed to 2MJ of heat it dissolves into liquid at 500K.
Calculate the latent heat of fusion for
the metal.​

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.

Wavelength,frequency,and energy are related.what happens to a wave as it’s wavelength gets shorter?

Which type of energy would have nothing to do with ironing clothes? a. heat b. chemical c. electrical d. mechanical