A woman holds a 29-N weight at arm's length for 19 seconds. Her arm is 1.9-m above the ground. The work done by the woman on the weight to keep the weight steady is J. Round your answer to the nearest whole number.

Explain why you think this diagram shows what happened to the carbon in the biodome.

Ais a machine that makes work easier when a single force is applied. a simple machine b compound machine c endangered machine d complex machine

Atoaster oven has a resistive heating element. the average rate at which it dissipates energy as thermal energy is 1.00 \(\rm kw\). in the united states, emf amplitude in household circuits is \(\mathcal e_{\max}\) = 170 \({\rm \; v}\) and the \(\rm ac\) oscillation rate is 60 \(\rm hz\). part a what is the root-mean-square current through the heating element?