Body starts it's motion from rest with uniform acc. if its average velocity is 10m when it covers diaplacement of 20m. then it's average velocity during 8 sec

Current 1 of 8.4 a runs for 240 seconds and then stops. current 2 is 10.5 a. how long does current 2 have to un to deliver the same amount of charge as current 1? 88.28 192 s 2016 s 21,000 s

What is the average speed of a car that travels 40mph for 1 hour and 60 mph in another hour will mark brainliest

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.