Position vs. Time Graphs
Position versus time graphs for boats traveling along a narrow channel are shown below. The scales on
both axes are the same for all of these graphs. In each graph, a point is marked with a dot.
a) For which of these, if any, is the position zero at the indicated point?
b) For which of these, if any, is the position negative at the indicated point?
c) For which of these, if any, is the velocity zero at the indicated point?
d) For which of these, if any, is the velocity negative at the indicated point?
Answers: 3
Physics, 21.06.2019 20:30
Asmall metal bar, whose initial temperature was 10° c, is dropped into a large container of boiling water. how long will it take the bar to reach 70° c if it is known that its temperature increases 2° during the first second? (the boiling temperature for water is 100° c. round your answer to one decimal place.) sec how long will it take the bar to reach 98° c? (round your answer to one decimal place.)
Answers: 2
Physics, 22.06.2019 04:50
The position of a crate sliding down a ramp is given by x=(0.05t^3) m, y=(1.7t^2) m, z=(6−0.85t^5/2) m, where t is in seconds. (a) determine the magnitude of the crate's velocity when t = 2 s. (b) determine the magnitude of the crate's acceleration when t = 2 s.
Answers: 2
Physics, 22.06.2019 11:30
Which accounts for an increase in the temperature of a gas that is kept a constant volume
Answers: 1
Physics, 22.06.2019 12:30
An engine undergoes a cycle as shown in the diagram. during a complete cycle the work done by the gas is 28.5×103 j and the energy transferred thermally out is 99.4×103 j. there are 1.5×1024 gas molecules and they have three active degrees of freedom. 6. (6 pts) during which process(es) is energy transferred thermally into the gas? a. 1→2 b. 2→3 c. 4→1 d. 1→2 and 4→1 e. none of the above
Answers: 3
Position vs. Time Graphs
Position versus time graphs for boats traveling along a narrow channel ar...
Health, 13.11.2019 13:31
Arts, 13.11.2019 13:31
Biology, 13.11.2019 13:31
French, 13.11.2019 13:31
Social Studies, 13.11.2019 13:31
History, 13.11.2019 13:31
Mathematics, 13.11.2019 13:31
Social Studies, 13.11.2019 13:31
Geography, 13.11.2019 13:31
Mathematics, 13.11.2019 13:31