Q1 a school yard teeter totter with a total length of 60 m

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Reference no: EM13351076

Q1. A school yard teeter totter with a total length of 6.0 m and a mass of 36 kg is pivoted at its center. A 19 kg child sits on one end of the teeter totter.

(a) Where must a parent push with a force of 189 N in order to hold teeter totter level?

(b) Where have to the parent push with a force of 350 N to keep teeter totter level?

Q2. A string of 22 identical Christmas tree lights are connected in series to a 125 V source. The string dissipates 52 W.

What is the comparable resistance of the light string?

Reference no: EM13351076

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