Physics, 05.10.2019 07:30 djdjdoododdo837
By using a 2-meter stick (like the one in lab) marked in millimeters and a stopwatch that measures to 1/100h of a second, you decide to measure the speed of a motorized toy car that travels at a constant velocity. you measure out a 162.0cm interval with the 2-meter stick and time how long it takes the car to travel that distance using the stopwatch. repeating the ex 2.95 s calculate the average speed of the toy car what are the absolute and relative uncertainties of the distance and time measurements? which measurement is more uncertain? use the weakest link rule to determine the relative and absolute uncertainty in your speed estimation. explain why it is necessary to calculate relative uncertainties. why is absolute uncertainty not enougn ent 5 times you get the following time data: 3.11 s 3.15 s 2.84 s 2.97 s
Answers: 2
Physics, 22.06.2019 12:00
Apatient has a history of poor nutrition. he has skin rashes, bleeding gums, and a cut that hasn’t healed in a long time. what vitamin deficiency most likely caused this symptom?
Answers: 3
Physics, 22.06.2019 16:50
Two loudspeakers, 5.5 m apart and facing each other, play identical sounds of the same frequency. you stand halfway between them, where there is a maximum of sound intensity. moving from this point toward one of the speakers, you encounter a minimum of sound intensity when you have moved 0.33 m . assume the speed of sound is 340 m/s.part a) what is the frequency of the sound? part b) if the frequency is then increased while you remain 0.21 m from the center, what is the first frequency for which that location will be a maximum of sound intensity? express your answer to two significant figures and include the appropriate units.
Answers: 2
By using a 2-meter stick (like the one in lab) marked in millimeters and a stopwatch that measures t...
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