Physics, 08.11.2019 23:31 leapfroggiez
A63.6-kg crate rests on a level floor at a shipping dock. the coefficients of static and kinetic friction are 0.613 and 0.402, respectively. what horizontal pushing force is required to (a) just start the crate moving and (b) slide the crate across the dock at a constant speed?
Answers: 1
Physics, 21.06.2019 21:30
According to social exchange theory, altruistic behaviors benefit the individual who performs them. t/f
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Physics, 21.06.2019 22:00
Bernie drove home from a vacation in 1.5 hours. he traveled a total distance of 60 miles. what was his average speed in miles per hour? a. 60 mph b. 90 mph c. 40 mph d. 55mph
Answers: 1
Physics, 22.06.2019 06:40
Alinearly polarized electromagnetic wave has an average intensity of 196 w/m^2. this wave is directed towards two ideal polarizers (in real polarizers, transmission is also effected by reflection and absorption). polarizer a is oriented with its transmission axis at an angle of θ_1=20.8∘ with the incident electric field. polarizer b has its axis at an angle of θ_2=63.0∘ with the incident electric field. what is the average intensity of the wave after it passes through polarizer a? what is the average intensity of the wave after it passes through polarizer b? suppose that the two polarizers a and b are interchanged. what would the average intensity be after passing through both polarizers?
Answers: 2
A63.6-kg crate rests on a level floor at a shipping dock. the coefficients of static and kinetic fri...
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