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Questions in physics

[Open]True or false: Transverse and compressional waves are the two types of mechanical waves.

[Open]Explain why the moon is always half illuminated and half dark, no matter where it is in the lunar cycle.

[Open]Roughly how long will a waxing crescent remain in the sky?

[Open]How many calendar days pass between the new moon and the full moon?

[Open]What is needed in order to cause an object at rest to move, or an object in motion to change direction or speed?

[Open]How many newtons of force are represented by the following amount: [tex]3 \, \text{kg} \cdot \text{m/s}^2[/tex]? Select the correct answer: a) 6 newtons b) 3 newtons c) 1 newton

[Open]What is the potential energy called that is associated with objects that can be stretched or compressed?

[Open]A force of 12 N acts on a 2.0 kg object through a parallel distance of 1.5 m. How much work is done on the object?

[Open]True or False: The refraction of a wave is how many wavelengths pass a fixed point each second.

[Open]Is a paper clip a conductor or an insulator?