A16 year old person has been alive 504 seconds, write this number with an exponent then change the exponent to a metric prefix.

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Let f(x) = x4- 8x2 . find the relativeextrema of this function using the second derivative test.

A2 kg ball travellng to the right with a speed of 4 m/s collidees with a 5 kg ball traveling to the left with a speed of 3 m/s. take right to be the positive direction. what is the total momentum of the two balls before they collide? what is the total momentum of the two balls after they collide?

Identify the theory that can be used to explain each phenomenon. answers diffraction: wave theory interference: wave theory reflection: both particle and wave theories refraction: both particle and wave theories