ANSWERS NEED 5 SIGNIFICANT FIGURES A 245g mass attached to a horizontal spring o

Question

ANSWERS NEED 5 SIGNIFICANT FIGURES

A 245g mass attached to a horizontal spring oscillates at a frequency of 2.20Hz . At t =0s, the mass is at x= 5.60cm and has vx =? 45.0cm/s . Determine:

Part A ANSWERS NEED 5 SIGNIFICANT FIGURES

The period.

Express your answer to five significant figures and include the appropriate units.

Part B ANSWERS NEED 5 SIGNIFICANT FIGURES

The angular frequency.

Express your answer to five significant figures and include the appropriate units.

Part C ANSWERS NEED 5 SIGNIFICANT FIGURES

The amplitude.

Express your answer to five significant figures and include the appropriate units.

Part D ANSWERS NEED 5 SIGNIFICANT FIGURES

The phase constant.

Express your answer to four significant figures and include the appropriate units.

ANSWERS NEED 5 SIGNIFICANT FIGURES

Explanation / Answer

(a) Period is the inverse of the frequency.

Period = 1 / ( 2.2 Hz )
= 0.454545 seconds ?---



(b) ? = 2?f
? = 2?( 2.2 Hz )
? = 13.823 rad / sec ?---



(c) Max potential = kinetic + potential

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