Physics, 20.02.2020 20:27, makeda2010
Three students determine the gravitational potential energy of an object at a given location. Student A says the gravitational potential energy is positive in value, student B says it is zero in value, and student C says it is negative in value. Which of these students can be correct?
a. only student C.
b. only student B.
c. all of the students.
d. only student A.
e. either student A or B, but not student C.
Answers: 1
Physics, 22.06.2019 00:10, smit715674
I'm kinda lost ! 1. when marilyn takes her pet dog for a walk, the dog walks at a veryconsistent pace of 0.55 m/s. draw a position-time graph to representmarilyn's dog walking the 19.8 m distance from the front of her house tothe nearest fire hydrant.2. both car a and car bleave school when a stopwatch reads zero. car atravels at a constant 75 km/h, and car b travels at a constant 85 km/h. a) draw a position-time graph showing the motion of both cars. howfar are the two cars from school when the stopwatch reads 2 hrs? calculate the distances and show them on your graph. b) both cars passed a gas station 120 km from the school. when dideach car pass the gas station? calculate the times and show themon your graph.3. the figure below shows the position-time graph showing a shopper'smovement up and down the aisle at a store. a) write a story describing the shopper's movements at the store. b) when does the shopper have a position of 6 m? c) how much time passes between when the shopper enters the aisleand when he gets to a position of 12 m? what is the shopper's averagevelocity between 37 s and 46 s?
Answers: 3
Physics, 22.06.2019 04:30, cicimarie2018
Ameter stick is pivoted at the 0.50-m line. a 3.0-kg object is hung from the 0.15-m line. where should a 5.0-kg object be hung to achieve equilibrium (the meter stick oriented horizontal and motionless)?
Answers: 1
Physics, 22.06.2019 11:00, flores1717
Positrons are spontaneously emitted from the nuclei of
Answers: 1
Three students determine the gravitational potential energy of an object at a given location. Studen...
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