Physics, 19.10.2021 14:00 asseatingbandit
A marble has to roll down a ramp and then travel a distance of 3 m. The ramp's height supported by 4 books, When the marble rolls down, it travels only 2 meters. How can the ramp be modified to increase distance the marble travels? Please help fast
Answers: 3
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Astring that is fixed at both ends has a length of 1.05 m. when the string vibrates at a frequency of 91.0 hz, a standing wave with five loops is formed. (a) what is the wavelength of the waves that travel on the string? (b) what is the speed of the waves? (c) what is the fundamental frequency of the string?
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Which type of circuit is becoming more common in residential electrical design and construction? a. hazardous-area circuit b. three-phase circuit c. 480-volt circuit d. communication circuit
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How does a circuit breaker protect a refrigerator? a. when the current is too high, a metal strip in the fuse melts and opens the circuit. b. when the resistance is too high , a re-settable which opens a circuit c. when the current is too high , a re-settable switch opens the circuit d. when the resistance is too high a metal strip in the fuse melts and opens the circuit
Answers: 2
A marble has to roll down a ramp and then travel a distance of 3 m. The ramp's height supported by 4...
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