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Question 4 (1 point) The middle of the below cart oscillates as shown by the arrow. + -20 cm - 10 cm 0 +10 cm The carts acceQuestion 5 (1 point) -A mi +A m 0 t = 0 t=T The above system has a frequency of 10 Hz and a mass of 50 g. The spring constant

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Answer #1

(4) Cats acceleration is zero at x = 0 because it is the mean position.

It's answer is 0.

(5) frequency = f = 1/2π ( K/m) 0.5

K= f 2× 2π× 2π× m

K = 100× 4× π×π× 0.05 =197 N/m

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