For the four graphs of x versus t in the figure below, answer the following ques

Question

For the four graphs of x versus t in the figure below, answer the following question:

Is the speed at time t2 greater than, less than, or equal to the speed at time t1?

graph c: greater than, less than, or equal to
graph a: greater than, less than, or equal to
graph b: greater than, less than, or equal to
graph d: greater than, less than, or equal to

Please, show all of your work. This means show step by step how you arrived at your answer(s). Include any equations or formulas used to arrive at the answer(s). Thanks!

Explanation / Answer

here,

speed at t1 be v1 and speed at t2 be v2

a)

slope at t1 is less than slope at t2

then , the speed t2 is less than speed at t1

b)

slope at t1 and t2 are equal

therfore,

the speed at t2 and t1 are equal

c)

speed at t1 is negative and speed at t2 is + ve

so speed at t2 is greater than t1

d)

slope at t1 is less than slope at t2

then , the speed t2 is less than speed at t1

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