A truck starts from rest and rolls down ...

A truck starts from rest and rolls down a hill with constant acceleration . It travels a distance of 400 m in 20 s . Find its acceleration. Find the force acting on it if its mass is 7 metric tonners (Hint 1metric tone - 1000 kg)

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A body starts from rest and moves with constant acceleration for t s. It travels a distance x, in first half of time and x2 in next half of time, then

`x_2=x_1`

`x_2=2x_1`

`x_2=3x_1`

`x_2=4x_1`

A body starts from rest and moves with constant acceleration for t s. It travels a distance x_(1) in first half of time and x_(2) in next half of time, then

`x_(2)=3x_(1)`

`x_(2)=x_(1)`

`x_(2)=4x_(1)`

`x_(2)=2x_(1)`

A Body start from origin and move along x-axis such that velocity at any instant is given by 4t^(3)-2t is in second and velocity in m/s Find acceleration of the particle when it is at a distance of 2 m from the origin:

`28 ms^(-2)`

`22ms^(-2)`

`12 ms^(-2)`

`10ms^(-2)`