A body starting from rest accelerates uniformly at the rate of 5m/s² for 6 seconds. it travels at the speed attained for a time t seconds before coming to rest in 20 seconds. if the body covers a total distance of 2 km. (I) sketch the velocity time graph for the motion of the body (II) calculate the time t

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i just did this and got a 100.

answer and explanation;

d. platinum would have the greatest temperature increase because it has the lowest specific heat.