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dominion_cham

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Question 1:

A 0.1 kg block attached to a spring of force constant 16.9 N/m oscillates with an amplitude of 6 cm. Find the maximum speed of the block. Answer in units of m/s.

Question 2:

Find the speed of the block when it is 3 cm from the equilibrium position. Answer in units of m/s.

Question 3:

Find its acceleration at 3 cm from the equilibrium position.

Answer in units of m/s2.1) Vmax = .06(16.9/.1)^.5

= 0.78 THIS IS CORRECT

2) v = Vmaxsin(pi/3)

= 0.78(pi/3)

= THIS IS WORONG

3) a = .5Vmaxomega

= .5(7.8) (16.9/.1)^.5

= THIS IS WRONG TOO

I tried and I got 2 and 3 wrong :( I ran out of solutions. help please

I was pretty sure one was right.. but it said it was wrong when I entered it :(

A 0.1 kg block attached to a spring of force constant 16.9 N/m oscillates with an amplitude of 6 cm. Find the maximum speed of the block. Answer in units of m/s.

Question 2:

Find the speed of the block when it is 3 cm from the equilibrium position. Answer in units of m/s.

Question 3:

Find its acceleration at 3 cm from the equilibrium position.

Answer in units of m/s2.1) Vmax = .06(16.9/.1)^.5

= 0.78 THIS IS CORRECT

2) v = Vmaxsin(pi/3)

= 0.78(pi/3)

= THIS IS WORONG

3) a = .5Vmaxomega

= .5(7.8) (16.9/.1)^.5

= THIS IS WRONG TOO

I tried and I got 2 and 3 wrong :( I ran out of solutions. help please

I was pretty sure one was right.. but it said it was wrong when I entered it :(

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