There\'s a truck that is carrying gasoline and starts from arest and then coasts

Question

There's a truck that is carrying gasoline and starts from arest and then coasts freely down a little hill, with an ave.acceleration being 4ft/sec^2. What is needed is: 1) the speed ofthe truck in 10 sec ; 2) distance covered in that time frame thethe truck?


Show all work and calculations...thanks! There's a truck that is carrying gasoline and starts from arest and then coasts freely down a little hill, with an ave.acceleration being 4ft/sec^2. What is needed is: 1) the speed ofthe truck in 10 sec ; 2) distance covered in that time frame thethe truck?


Show all work and calculations...thanks!

Explanation / Answer

1)the speed of the truck in 10 sec = v = u + at        = 0 + 4ft * 10        = 40 ft/sec 2) distance covered in that time frame the the truck = s = ut + 1/2 at2       = 0 + 1/2 x 4 x 102           = 200 ft

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