Some students conduct an experiment to prove conservation of momentum. They use two objects that collide Measurements are taken before and after the collision.

Which two quantities will the students multiply together before and after the collision?

A. mass and velocity

B. distance and time

C. mass and acceleration

D. velocity and time

see earlier

  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.

54 degrees incident angle = reflected angle

angle is from normal turned to line of ray