A clown riding a unicycle leaves home and is traveling along a sidewalk. Their velocity is recorded as a function of time, and is shown in the graph below. a) Sketch the acceleration time graph that represents the motion shown and show any supporting calculations. {5}

b) When is the clown returning to home? {1}

In which situation has the independent variable for the experiment been changed? check all that apply. changed from counting the number of duckweed at day 0 and day 14 to counting them every day changed from testing duckweed growth in beakers to testing duckweed growth in large outdoor tanks changed from testing the effect of ph on duckweed growth to testing the effect of light levels on duckweed growth changed from testing the effect of acid ph on duckweed growth to testing the effect of basic ph on duckweed growth

The mini-refrigerator fire was most likely caused by what type of wiring?

Does anyone know how to solve this problem? i really need . i made an attempt but i just cant get it. a metal rod is 25.000 cm long at 25.0 degrees celsius. when heated to 102.0 degrees celsius, it is 25.054 cm long. what is the coefficient of linear expansion for this metal.