A train starting from rest attained a velocity of 20m/s² in 4s. it continued with velocity attained for the next 16s and was finally brought to rest in another 5s. sketch the velocity time graph of the motion. use your graph to evaluate 1: acceleration of the train
2: total distance travelled
3: average speed of the train​

are their multiple choices ?

explanation:

b) returns freshwater to the earth.

c) returns freshwater to the earth.c) occurs after condensation.

d) returns freshwater to the earth.c) occurs after condensation.d) roughly equal to the amount of evaporation.

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12000j is work done

frequency or wavelenth of em radiation in a vacuum