Physics, 22.11.2019 09:31, xscape0mari
1. analyze the number line above to describe the motion of the object. be sure to include starting position, intermediate position, ending position, distance traveled, and displacement in your answer.
2. an object travels a distance of 6 meters in 2 seconds if average speed is found using the equation “ distance traveled/elapsed time” what is the average speed of the object? be sure to include units in your answer.
3. an object has a displacement of +12 meters in six seconds. if average velocity is found using the equation “ change of position/elapsed time” what is the average velocity of the object? be sure to include the correct sign and units in your answer.
Answers: 3
Physics, 22.06.2019 18:50, jtsizemore
An insulated thermos contains 148 g of water at 72.7 ˚c. you put in a 11.7 g ice cube at 0.00 ˚c to form a system of ice + original water. the specific heat of liquid water is 4190 j/kg•k; and the heat of fusion of water is 333 kj/kg. what is the net entropy change of the system from then until the system reaches the final (equilibrium) temperature?
Answers: 2
Physics, 22.06.2019 23:10, genyjoannerubiera
Ablue car pulls away from a red stop-light just after it has turned green with a constant acceleration of 0.5 m/s 2 . a green car arrives at the position of the stop-light 6.5 s after the light had turned green. if t = 0 when the light turns green, at what time does the green car catch the blue car if the green car maintains the slowest constant speed necessary to catch up to the blue car? answer in units of s.
Answers: 1
1. analyze the number line above to describe the motion of the object. be sure to include starting p...
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