A cart on a smooth track experiences two opposite collinear pushes: to the right and…

PHYSICS · Single correct · A Level · Physics · Mechanics and materials · Mechanics and materials

Problem

200\,\text{g}

cart on a smooth track experiences two opposite collinear pushes:

500\,\text{dyn}

to the right and

300\,\text{dyn}

to the left. Determine the cart’s acceleration (in

\text{cm/s}^2

) and its direction. (a)

4\,\text{cm/s}^2

to the right (b)

1\,\text{cm/s}^2

to the right (c)

1\,\text{cm/s}^2

to the left (d)

0.5\,\text{cm/s}^2

to the right