Physics, 24.04.2021 07:40 vdkgknsdg4817
A teacher asks her students to jump off of the ground. Once the students complete the task, she says, "All of you just made Earth accelerate." Using Newton's three laws, explain how the teacher is correct even though no one saw the Earth move.
Answers: 2
Physics, 21.06.2019 19:00
Write a question about how changing temperature affects the gas inside the sports ball
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Physics, 22.06.2019 11:00
Engineers find a new metal that is stronger than steel but much lighter. this material is also significantly cheaper than what is currently used for most aircraft, available in large quantities, and easy to manufacture. the engineers are excited because this new material will lower the costs of buying and operating airplanes for companies. what is probably the best step for the engineers to make next?
Answers: 2
Physics, 22.06.2019 12:00
You have a resistor and a capacitor of unknown values. first, you charge the capacitor and discharge it through the resistor. by monitoring the capacitor voltage on an oscilloscope, you see that the voltage decays to half its initial value in 2.70 miss . you then use the resistor and capacitor to make a low-pass filter. what is the crossover frequency fc?
Answers: 2
Physics, 22.06.2019 16:00
The frequency of the fundamental of the guitar string is 320 hz. at what speed v do waves move along that string?
Answers: 2
A teacher asks her students to jump off of the ground. Once the students complete the task, she says...
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