Physics, 29.01.2020 05:40 girlhooper4life11
When you push a child on a swing, your action is most effective when your pushes are time to concide with the natural frequency of the motion. you are swinging a 30 kg child on a swing suspended from 5 meter cables. estimate the optimum time interval between your pushes.
would your answer be different if the child had a different mass?
Answers: 3
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In the circuit shown below, with each bulb holding a resistance of 60 ohms, how many amps of current are flowing? express your number as a decimal.
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Since the energy was not raising the temperature of the water during these segments, what was the energy used to do instead? your answer must include an explanation of what is happening to the molecules.
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