A mirror forms an erect image of 30 cm from the object and a fifth of its height. Where must the mirror be situated? What is its radius of curvature? Assuming the object is to be real, determine whether it is convex or concave

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b.a device that inputs heat into a cool object

a. are

  distance on the y-axis and time on the x-axis.

explanation:

the instantaneous velocity = change in position/time taken

the slope of the graph should give instantaneous velocity.

  slope of a graph = change in value of y -axis / change in values of x -axis

  comparing both the equations

    change in value of y -axis = change in position

  change in values of x -axis = time taken

so position values should be on the y axis and time values should be on the x axis.

distance on the y-axis and time on the x-axis.